SOLUTION: Solve the linear system by using elimination x+4y=9 -x-2y=3

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Question 438991: Solve the linear system by using elimination
x+4y=9
-x-2y=3
Found 2 solutions by Alan3354, rwm:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Add the 2 equations.

Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
add them and solve for y then plug in that value in either of the original equations and solve for x