# SOLUTION: I'm having trouble. I solved for y not x. It was: 2x+y=5 1x-2y=4 I ended up doing this: 2x+y=5 -2x -2x ________ y=5-2x etc. what did i do wrong?

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations -> SOLUTION: I'm having trouble. I solved for y not x. It was: 2x+y=5 1x-2y=4 I ended up doing this: 2x+y=5 -2x -2x ________ y=5-2x etc. what did i do wrong?      Log On

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 Click here to see ALL problems on Linear-systems Question 273079: I'm having trouble. I solved for y not x. It was: 2x+y=5 1x-2y=4 I ended up doing this: 2x+y=5 -2x -2x ________ y=5-2x etc. what did i do wrong?Answer by edjones(7569)   (Show Source): You can put this solution on YOUR website!2x+y=5 1x-2y=4 . 4x+2y=10 multiply each side by 2 x-2y=4 --------add 5x=14 x=14/5 . 14/5 -2y = 4 14-10y=20 multiply each side by 5 -10y=6 y=-6/10=-3/5 . Ed