SOLUTION: what is the following system of equations by the addition method: 2x + y = 5 equation #1 3x - y = 10 equation #2

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Question 328258: what is the following system of equations by the addition method:
2x + y = 5 equation #1
3x - y = 10 equation #2
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Add the equations together to eliminate y.
2x%2By%2B3x-y=5%2B10
5x=15
highlight%28x=3%29
Now use either equation to solve for y.
6%2By=5
highlight%28y=-1%29