SOLUTION: 0.5x+0.5y=-2 x-0.25y=6

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Question 278928: 0.5x+0.5y=-2
x-0.25y=6
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
0.5x+0.5y=-2 MULTIPLY BY -2 & ADD.
x-0.25y=6
-x-y=4
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-1.25y=10
y=10/-1.25
y=-8 ans.
.5x+.5*-8=-2
.5x-4=-2
.5x=-2+4
.5x=2
x=2/.5
x=4 ans.
Proof:
4-.25*-8=6
4+2=6
6=6