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December 20, 2014

December 20, 2014

Posted by **Janet** on Tuesday, October 30, 2012 at 4:02pm.

1)2x+5y=3

X-3y=7

2) 3y=11-2x

3x=y-11

3)8x-6y=14

12x-9y=18

- alegbra 1 -
**Steve**, Tuesday, October 30, 2012 at 5:06pm#2:

2x + 3y = 11

3x - y = -11

multiply #2 by 3 and add:

2x+3y = 11

9x - 3y = -33

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

11x = -22

x = -2

now figure y: 5

Do the others likewise. To check your answers, just plug in the values and make sure the equations still balance.

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