# SOLUTION: how do i slove this system 3x+5y=-3 10y-2z=2 x=-z

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 Click here to see ALL problems on Linear-systems Question 264432: how do i slove this system 3x+5y=-3 10y-2z=2 x=-zAnswer by Alan3354(31532)   (Show Source): You can put this solution on YOUR website!how do i slove this system 3x+5y=-3 10y-2z=2 x=-z ------------ Sub -x for z in the 2nd eqn, then it's a 2 eqn system. 3x+5y=-3 --> 6x+10y=-6 10y+2x=2 -------- 6x+10y=-6 2x+10y=2 -------- Subtract 4x = -8 -------- Take it from there.