SOLUTION: How to solve this? x+3y-5z=-29 3y+2z=18 y=-5x-23

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Question 1090921: How to solve this?
x+3y-5z=-29
3y+2z=18
y=-5x-23
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How to solve this?
x+3y-5z=-29
3y+2z=18
y=-5x-23
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Since y is defined in Eqn 3, sub for y in the other 2.
Subbing for y in the 2nd eqn gives an eqn in x.
solve for x.
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