SOLUTION: Solve the system using substitution or elimination. The answers are given as (x, y, z).
5x+3y+2z=-4
-5x-4y-2z=7
4x+2y+2z=-2
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Question 788449: Solve the system using substitution or elimination. The answers are given as (x, y, z).
5x+3y+2z=-4
-5x-4y-2z=7
4x+2y+2z=-2
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
5x+3y+2z=-4
-5x-4y-2z=7
4x+2y+2z=-2
---------------
Add eqn 1 & 2
Sub for the value of y in 2 of the 3 eqns --> 2 eqns in x & z.
Can you do the rest?
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