Question about SoftMath Algebrator - Algebra Homework Solver (689076614429)

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Does the program do order of operations

X+2y 0ver 9+5y

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(9-5+(7-2).4)=24

Posted on Sep 07, 2012

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Hi bem4u2

If the question was like this: x+2y/9+5y then the order of operations would apply because it is a string of operations

But your question is the equivalent of a single fraction
In this case,
Take the numerator alone apply the order of operation
Take the denominator and apply the order of operations
Then it becomes a single fraction
Hope this answer your question
Have a good day
luciana44

Posted on Nov 03, 2009

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Posted on Jan 02, 2017

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Related Questions:

1 Answer

Substitute 4 and -4 for x in the equations y=x+1 and 2y-2=2x. Describe the results


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

Feb 07, 2017 | The Office Equipment & Supplies

1 Answer

Do i use the elimination or substitution method for the equations 16x-2y=16 and 4x=2y-8


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

Oct 05, 2014 | Office Equipment & Supplies

3 Answers

Solve dy/dx=e^3x+2y by separation of variables


dy/dx = e^(3x + 2y) = (e^3x)(e^2y)

INT e^-2y dy = INT e^3x dx

Can you finish it from there? Don't forget constant of integration.

I hope this helps!

May 06, 2011 | Computers & Internet

1 Answer

90=15(2y=2)


If you mean this to be a logic statement, it will always be false (0). You might be getting an error because you need parentheses around the whole thing.
If you mean the 2y=2 to be 2y 2 then y=2
If you mean the 2y=2 to be 2y-2 then y=4

You should give more info on your problem next time.

Apr 30, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

(2x+3y)(3x+2y)


(2x - 3y)(3x + 2y) = 2x*3x + 2x*2y - 3y*3x - 3y*2y
= 6x^2 + 4xy - 9xy - 6y^2
= 6x^2 - 5xy - 6y^2 You multiply each element in the first set of brackets by each element in the second set of brackets and then consolidate like terms and arrange them in sequence of powers, first x and then y. So:
2x by 3x = 6x squared
2x by 2y = 4xy
-3y by 3x = -9xy
-3y by 2y = 6y squared

6x squared -5xy + 6y squared

Dec 04, 2010 | Yahoo Computers & Internet

2 Answers

X-3y=5 3x-2y=1


2y - x = 3
x = 3y - 5

Add the two equations side by side,

2y - x + x = 3 + 3y - 5

2y = 3y - 2

y = 2

Plug this in the second equation to get x,

x = 3(2) - 5

x = 1

So the solution is x = 1, y = 2

or in ordered pair notation (1, 2)

Jun 29, 2009 | Computers & Internet

1 Answer

4x+8y=20 -4x+2y=-30


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

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

3 Answers

Solving systems of equations by elimination


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

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

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