SOLUTION: solve each system of equations 2x-y=12 x+3y=13

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Question 342265: solve each system of equations 2x-y=12
x+3y=13







Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
2x-y=12
x%2B3y=13+
From eq. 1,
y=2x-12
Substitute into eq. 2,
x%2B3%282x-12%29=13
x%2B6x-36=13
7x=49
highlight%28x=7%29
Then from eq. 1,
y=2%287%29-12
y=14-12
highlight%28y=2%29