SOLUTION: how do you do 3x+y=-8
-3x+4y=-2?
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Question 277197: how do you do 3x+y=-8
-3x+4y=-2?
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
3x+y=-8
-3x+4y=-2 add.
----------------
5y=-10
y=-10/5
y=-2 ans.
3x+(-2)=-8
3x-2=-8
3x-8+2
3x=-6
x=-6/3
x=-2 ans.
Proof:
-3*-2+4*-2=-2
6-8=-2
-2=-2
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