SOLUTION: Using back-substitution, solve the system of linear equations. -8x - 7y - 8z = 10 4y + 9z = -4 z = 3

Algebra ->  Expressions-with-variables -> SOLUTION: Using back-substitution, solve the system of linear equations. -8x - 7y - 8z = 10 4y + 9z = -4 z = 3      Log On


   

Question 870542: Using back-substitution, solve the system of linear equations.
-8x - 7y - 8z = 10
4y + 9z = -4
z = 3
Answer by Fombitz(32388) About Me  (Show Source):