SOLUTION: can someone please help me? solve each system by the substitution method. 8. 2x+y-x=-3y+5 y+2=x-5

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: can someone please help me? solve each system by the substitution method. 8. 2x+y-x=-3y+5 y+2=x-5       Log On


   

Question 488369: can someone please help me?
solve each system by the substitution method.
8. 2x+y-x=-3y+5
y+2=x-5
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
x=-4y+5
y=x-7
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x=-4(x-7)+5
x=-4x+28+5
5x=33
x=6.6
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6.6=-4y+5
1.6=-4y
y=1.6/-4
y=-0.4
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-0.4=6.6-7
(6.6,0.4)