# SOLUTION: solve the system of equation x+y+7z=-7 x+y+2z=-10 x-8y-3z=50

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: solve the system of equation x+y+7z=-7 x+y+2z=-10 x-8y-3z=50      Log On

 Ad: You enter your algebra equation or inequality - Algebrator solves it step-by-step while providing clear explanations. Free on-line demo . Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Linear Solvers Practice Answers archive Word Problems Lessons In depth

 Click here to see ALL problems on Linear-systems Question 463113: solve the system of equation x+y+7z=-7 x+y+2z=-10 x-8y-3z=50Answer by juliane1(5)   (Show Source): You can put this solution on YOUR website!1. x + y + 7z = -7 (x + y + 7z) + (-y-7z) = -7+(-y - 7z) x + y + 7z - y - 7z - 7 - y - 7z x + y - y + 7z - 7z = -y-7z-7 x=-y-7z-7 2. x+y+2z=-10 (x+y+2z) + -y-2z)= -10+(-y-2z) x+y+2z-y-2z=-10-y-2z x+y-y+2z = -y-2z-10 x = -y-2z-10 3. x-8y-3z=50 (x-8y-3z) + (8y + 3z) = 50 + (8y + 3z) x - 8y - 3z + 8y + 3z = 50 + 8y + 3z x - 8y + 8y -3z + 3z + 8y + 3z + 50 8 = 8y + 3z + 50