# SOLUTION: Use the substitution method to solve the system of equations. Enter your answer as an ordered pair. 3x - y = 7 2x - 2y = 2

Algebra ->  -> SOLUTION: Use the substitution method to solve the system of equations. Enter your answer as an ordered pair. 3x - y = 7 2x - 2y = 2      Log On

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 Click here to see ALL problems on Linear-systems Question 213529: Use the substitution method to solve the system of equations. Enter your answer as an ordered pair. 3x - y = 7 2x - 2y = 2Found 2 solutions by checkley77, rfer:Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!3x - y = 7 multiply by -2 & add 2x - 2y = 2 -6x+2y=-14 ------------------ -4x=-12 x=-12/-4 x=3 ans. 3*3-y=7 9-y=7 -y=7-9\-y=-2 y=2 ans. Proof: 2*3-2*2=2 6-4=2 2=2 Answer by rfer(13569)   (Show Source): You can put this solution on YOUR website!3x-y=7, y=3x-7 2x-2y=2 2x-2(3x-7)=2 2x-6x+14=2 -4x=-12 x=3 ---------------- 3(3)-y=7 -y=-2 y=2 --------------- 2(3)-2(2)=2