Question about SoftMath Algebrator - Algebra Homework Solver (689076614429)

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This is an equation of a straight line, and we can easily find the the coordinates where this line intersects the axis in following ways:-

**for x-axis:-**

put y=0, 4x+2*0=8

4x =8

x =8/4

x =2

so intersection coordinates ate (2, 0)

**for y-axis:-**

put x=0, 4*0+2y=8

2y =8

y =8/2

y =4

so intersection coordinates ate (0, 4)

Thanks

Zulfikar ali

ali_zulfikar@yahoo.com

9899780221

Posted on Feb 06, 2009

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Posted on Jan 02, 2017

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y = x+1

y = (4) + 1

y = 5

y = x + 1

y = (-4) + 1

y = -3

2y - 2 = 2x

2y - 2 = 2 (4)

2y - 2 = 8

2y - 2 + 2 = 8 + 2

2y = 10

2y/2 = 10/2

y = 5

2y - 2 = 2(-4)

2y - 2 = -8

2y -2 + 2 = -8 + 2

2y = -6

2y / 2 = -6 /2

y = -3

The results are the same, implying that they are the same line.

Why?

2y - 2 = 2x

2y - 2 + 2 = 2x + 2

2y = 2x + 2

divide everything by 2

y = x + 1

Good luck,

Paul

y = (4) + 1

y = 5

y = x + 1

y = (-4) + 1

y = -3

2y - 2 = 2x

2y - 2 = 2 (4)

2y - 2 = 8

2y - 2 + 2 = 8 + 2

2y = 10

2y/2 = 10/2

y = 5

2y - 2 = 2(-4)

2y - 2 = -8

2y -2 + 2 = -8 + 2

2y = -6

2y / 2 = -6 /2

y = -3

The results are the same, implying that they are the same line.

Why?

2y - 2 = 2x

2y - 2 + 2 = 2x + 2

2y = 2x + 2

divide everything by 2

y = x + 1

Good luck,

Paul

Feb 07, 2017 | The Office Equipment & Supplies

Both should work.

16x - 2y = 16

4x - 2y = -8

-----------------

12x = 24

x = 2

y = 8

2y=4x + 8

y = 2x + 4

16x - 2(2x + 4) = 16

16x - 4x -8 = 16

12x = 24

x = 2

y = 8

Good luck.

Paul

16x - 2y = 16

4x - 2y = -8

-----------------

12x = 24

x = 2

y = 8

2y=4x + 8

y = 2x + 4

16x - 2(2x + 4) = 16

16x - 4x -8 = 16

12x = 24

x = 2

y = 8

Good luck.

Paul

Oct 05, 2014 | Office Equipment & Supplies

Let the brother's age be x:

16years for Mary = 4x years for Brother

From equation: 4x = 16

x = 4

Therefore, the brother is 4 years old.

__Mary__ __ Brother__

16 4

After 4 years +__4 4__

20 8

After the next 4 years +__4 4__

24 12

24 is twice as old as 12; therefore for the sister to be twice as old as brother she will 24years when her brother is 12 years.

Or by calculation;

If 4 is the age for the brother, when the sister is 16, and y years will pass for the to be such that the sister is twice as old as the brother, then;

16 + y = 2(4 + y)

16 + y = 8 + 2y

16 - 8 = 2y - y

8 = y

Therefore, 8 years elapse before the sister is twice as old as the brother.

Sister will be: (16 + 8) = 24years

Brother will be: (4 + 8) = 12years

16years for Mary = 4x years for Brother

From equation: 4x = 16

x = 4

Therefore, the brother is 4 years old.

16 4

After 4 years +

20 8

After the next 4 years +

24 12

24 is twice as old as 12; therefore for the sister to be twice as old as brother she will 24years when her brother is 12 years.

Or by calculation;

If 4 is the age for the brother, when the sister is 16, and y years will pass for the to be such that the sister is twice as old as the brother, then;

16 + y = 2(4 + y)

16 + y = 8 + 2y

16 - 8 = 2y - y

8 = y

Therefore, 8 years elapse before the sister is twice as old as the brother.

Sister will be: (16 + 8) = 24years

Brother will be: (4 + 8) = 12years

Aug 02, 2011 | Computers & Internet

This should start wit X=something and Y=something, sorry I'm not an human algebra calculator....

Jul 29, 2011 | Computers & Internet

8x - 8 + 2y = 0

8X + 2Y = 8

y = -4x + 4

X = 0 por y-intercept

y=mx+b

Y = 8/2 or 4

Knock knock

Who's there?

4

4 who?

Why yall want me to do yall's homework 4?

Do the math on that! LOL

8X + 2Y = 8

y = -4x + 4

X = 0 por y-intercept

y=mx+b

Y = 8/2 or 4

Knock knock

Who's there?

4

4 who?

Why yall want me to do yall's homework 4?

Do the math on that! LOL

Jan 02, 2011 | Kitchen Ranges

use the slope-intercept form to graph y=2/3x+4

Mar 31, 2010 | Computers & Internet

4x+8y=20 || /4

x+2y=5

x=5-2y

-4x+2y=-30 || /2

-2x+y=-15

-2(5-2y)+y=-15

-10+4y+y=-15

5y=-5

y=-1

x=5-2y || y=-1

x=5-2(-1)

x=5+2

x=7

x+2y=5

x=5-2y

-4x+2y=-30 || /2

-2x+y=-15

-2(5-2y)+y=-15

-10+4y+y=-15

5y=-5

y=-1

x=5-2y || y=-1

x=5-2(-1)

x=5+2

x=7

Mar 10, 2009 | Bagatrix Algebra Solved! 2005 (105101) for...

This is the process of how you would solve this.

-move the -3x over to the right hand side, so you have:

y = 5 + 3x

- since you know what x is, plug in the x which is 1:

y = 5 + 3(1)

- solve the equation

y = 5+3

y = 8, so the solution is 8.

-move the -3x over to the right hand side, so you have:

y = 5 + 3x

- since you know what x is, plug in the x which is 1:

y = 5 + 3(1)

- solve the equation

y = 5+3

y = 8, so the solution is 8.

Dec 16, 2008 | SoftMath Algebrator - Algebra Homework...

Hi joanmae jmeh;

You can add these equations just like you would numbers

3x + 2y = 7

5x - 2y = 1

-----------------------

8x =8

x=1

Now plug x = 1 back into either equation and you can solve for y

Y = 2

When you add the 2 equations together the +2y and the -2y cancel

out

Hope this helps Loringh Please leave a rating for me Thks

You can add these equations just like you would numbers

3x + 2y = 7

5x - 2y = 1

-----------------------

8x =8

x=1

Now plug x = 1 back into either equation and you can solve for y

Y = 2

When you add the 2 equations together the +2y and the -2y cancel

out

Hope this helps Loringh Please leave a rating for me Thks

Dec 01, 2008 | Bagatrix Algebra Solved! 2005 (105101) for...

B. 2((2-Y)/3)-Y=3

2(2-Y)-Y=9

4-2Y-Y=9

-3Y=9-4

-3Y=5

-Y=5/3

Y=-1.67

A. 3X+(-1.67)=2

3X-1.67=2

3X=2+1.67

3X=3.67

X=3.67/3

X=1.22

2(2-Y)-Y=9

4-2Y-Y=9

-3Y=9-4

-3Y=5

-Y=5/3

Y=-1.67

A. 3X+(-1.67)=2

3X-1.67=2

3X=2+1.67

3X=3.67

X=3.67/3

X=1.22

Nov 05, 2007 | SoftMath Algebrator - Algebra Homework...

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