SOLUTION: how do you solve this
x+y=9
-2x+y=-3
Algebra.Com
Question 236299: how do you solve this
x+y=9
-2x+y=-3
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
x+y=9, y=-x+9
-2x+y=-3
-2x-x+9=-3
-3x=-12
x=4
-----------------
4+y=9
y=5
---------------
-2*4+5=-3
-8+5=-3
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