SOLUTION: If x-y+z=15 and x+y=24, solve the following: 4x+2z=

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Question 369170: If x-y+z=15 and x+y=24, solve the following: 4x+2z=
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Add corresponding sides of the two equations, to get 2x+z = 39. Multiply both sides with 2, to get 4x + 2z = 78.