SOLUTION: How do you solve this system of equations: y=3x+1 x+2y=-5

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Question 942004: How do you solve this system of equations:
y=3x+1
x+2y=-5


Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
y=3x+1
x+2y=-5
x+2(3x+1)=-5
x+6x+2=-5
7x=-7
x=-1
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-1+2y=-5
2y=-4
y=-2
(-1,-2)
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y=3x+1
-2=3*-1+1
-2=-2