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January 31, 2015

January 31, 2015

Posted by **mel** on Thursday, August 16, 2012 at 1:23pm.

x + y = 2

3x + 2y = 9

- algebra 2 -
**Bosnian**, Thursday, August 16, 2012 at 2:23pmx + y = 2 Multiply both sides by 2

2 x + 2 y = 4

2 y = 4 - 2 x

3 x + 2 y = 9

3 x + 4 - 2 x = 9

x + 4 = 9

x = 9 - 4 = 5

x + y = 2

5 + y = 2

y = 2 - 5 = - 3

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