# SOLUTION: use susstitution to solve each system of equations. 0.5x-2y=17 2x+y=104

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: use susstitution to solve each system of equations. 0.5x-2y=17 2x+y=104      Log On

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 Click here to see ALL problems on Linear-systems Question 26317: use susstitution to solve each system of equations. 0.5x-2y=17 2x+y=104Answer by whty89(20)   (Show Source): You can put this solution on YOUR website!EQUATION#1.).5x-2y=17 EQUATION#2.)2x+y=104 1.)solve for y in Eq#2 by subtracting 2x from both sides. y=-2x+104 2.)substitute -2x+104 for y into EQ#1. 3.).5x-2(-2x+104)=17 .5x+4x-208=17 4.5x-208=17 4.5x=225 x=50 4.)substitute 50 for x into y=-2x+104 y=-2(50)+104 y=-100+104 y=4 5.) the solution set is (50,4)