SOLUTION: y=2x+2 -x+y= -2

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Question 1188028: y=2x+2
-x+y= -2
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

y=2x%2B2.......eq.1
-x%2By=+-2.........eq.2
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substitute y from eq.1 in eq.2
2x%2B2-x=+-2.........eq.2
x%2B2=+-2
x=+-2-2
x=+-4
go to
y=2x%2B2.......eq.1, substitute x
y=2%28-4%29%2B2
y=-8%2B2
y=-6
solution: x=+-4, y=-6