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April 19, 2014

April 19, 2014

Posted by **Christina** on Monday, August 13, 2012 at 10:38am.

2x+7y=16

x=22-7y

- algebra -
**A**, Monday, August 13, 2012 at 11:21am2x+7y=16

plug 22-7y for x

so

2(22-7y) + 7y=16

44-14y+7y=16

-7y= -44+16

-7y=-28

so y= 4

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