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July 31, 2014

July 31, 2014

Posted by **Chris** on Monday, December 1, 2008 at 11:09pm.

1)X=4y+8

2x-8y=-3

2)3x-7y=6 elimination method

2x+7y=4 (2,0)

3)5x-2y=12 elimination method

3x-2y=-2 (7,23/2)

4)9x-8y=42 elimination method

4x+8y=-16 (2,-3)

5)X=4y+8 substitution method

2x-8y=-3 (3,1)

- Algebra -
**po**, Monday, December 1, 2008 at 11:31pm#2 elimination

3x-7y=6

+2x+7y=4

________

5x =10

x =2

if x is 2, you plug it in

2(2)+7y=4

7y=4-4

y=0

(2,0)

- Algebra -
**toni**, Saturday, July 2, 2011 at 7:56amSolve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this.

4x + 4y = -36

4x + 4y = 12

- Algebra -
**Anonymous**, Thursday, January 12, 2012 at 6:59pmX=4y+8

- Algebra -
**Cristian**, Tuesday, November 20, 2012 at 1:59pmx-4y=-3

2x+8y=-9

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