Answers

The Brainliest Answer!
2014-02-20T17:19:51+08:00
3x+y=3; 2x+y=9
y=3-3x; y=9-2x
3-3x=9-2x
-x=6
x= -6
y=3-3(-6)
y=3+18
y=21

(-6, 21)
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