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Find the y coordinate in the solution of -3x+y=5 if x=1

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4x+2y=8

x y
(0, -4)

Posted on Jan 26, 2009

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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.

Posted on Dec 16, 2008

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Posted on Jan 02, 2017

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Im trying to solve the equation 5x=10-3x


5x (-3x) = 2x -3x - -3x = 0
The equation then becomes 2x=10 2x/2 = x and 10/2 =5
then x=5. does it work 5x5=10+3*5 YES

Jan 20, 2017 | The Office Equipment & Supplies

1 Answer

5+6x=17+3x Need help asap


get the X's on the same side of the equation by subtracting 3x from both sides, then get the constants on the same side by subtracting 5 from each side. You'll simplify it to 6x-3x=17-5, resulting in 3x=12 or x=4...

Nov 14, 2014 | Computers & Internet

1 Answer

3x+9y=17


  1. Transform this equation to its functional form:
  2. 9y=-3x+17 or y=(-1/3)x+17/9
  3. In the last equation, the slope is the coefficient of x, namely -1/3.
  4. A line parallel to this one must have the same slope (-1/3).
  5. So the equation of your line starts this way: y=(-1/3)x+b.
  6. To identify (calculate) b, you must make use of the fact that the parallel line passes through the point (1,5).
  7. That means that the coordinates of the point (1,5) satisfy the equation of the parallel line y=(-1/3)x+b
  8. Substitute 5 for y, and 1 for x and solve for b.
And that is as far I will go. I leave it to you finish up the work : find b and write the equation in the functional form, then convert it to the general form (Ax+By+C=0) if that is what you are asked to produce.

Aug 05, 2012 | Office Equipment & Supplies

1 Answer

2x^5+4x^4-3x^2+7,7x^4-3x^3+x^2-9


5x -2(x-2) = 6 -2(-3x-3)
5x -2x +4 = 6 +6x +6 (use the distributive property)
3x + 4 = 6x + 12 (collect terms)
4 = 3x + 12 (subtract 3x from both sides to get all x on one side)
-8 = 3x (subtract 12 from both sides to get only x on one side)
-8/3 = x (divide both sides by 3 to get x by itself)

Check
5(-8/3) -2((-8/3)-2) = 6 - 2(-3(-8/3)-3)
-40/3 -2(-8/3-6/3) = 6 - 2(8-3)
-40/3 -2(-14/3) = 6 -2(5)
-40/3 + 28/3 = 6 - 10
-12/3 = -4 (yes)

Dec 19, 2010 | Answer Racing Ion Motorcycle Jersey 2010

1 Answer

How do i get coordinates in Latitude@ longitude


To find a place using coordinates:

1) On the Menu page, touch Where To.....Coordinates.

2) Touch Format to set the coordinates format

3) Touch each box to change the information.

4) Enter the coordinates for your destination, and touch Next.

5) Touch Go

Nov 17, 2010 | GPS

2 Answers

2x2-3x+5=0 solving the quadratic equation


Here you are :
2X2-3x+5=0 => 4-3x+5=0; (2X2=4) => -3x+9=0; (4+5=9) => 9 = 3x; (-3x moved to the right-hand side and it became 3x) => 9/3=x; (3 moved to the right hand side, so it becomes 1/3, i.e 1/3X9= 9/3) i.e. x=9/3 => x=3
Hence x equals to 3.

You can add or remove the explanation/description, I simply add them to make you understand.
If you need help, let me know.

Good luck.

Thanks for using FixYa.

Oct 08, 2010 | Computers & Internet

1 Answer

Doing precal work, graphing a problem, (3x^2-3X)/(x^2 x-12). The TI 84 does not show what actually happens as the graph crosses the (6,3) point. The book says to graph it for -4 <= x <= 60 and 2.5...


You need to adjust the range of your graph. On the graph menu press range then enter the values of x and y. Set Xmin to -4 and Xmax to 60, and ymin to 2.5 and ymax to 3.5. IThis should adjust it properly, as you say.
Happy Calculating

Aug 29, 2010 | Texas Instruments TI-84 Plus Calculator

2 Answers

How do i solve this problem 3x+25=5x using my TI 84 plus


i think there are programs but with something as simple as that you should be able to work it out manually....
3x+25-5x=5x-5x
-2x+25-25=0-25
-2x=-25
x=25/2 or 12.5

Jul 05, 2009 | Texas Instruments TI-84 Plus Calculator

2 Answers

Simplify


[3(x-5)-4(-3x+2)]-[4(6-x)]
[(3x-15)-(12x+8)]-(24-4x)
(-9x-23)-(24-4x)
-13x-(-1)
this is 9th grade stuff.

Sep 13, 2008 | Texas Instruments TI-84 Plus Calculator

5 Answers

Algebra 1


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

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

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