SOLUTION: 3x+5y=2 x+4y=-2

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Question 39656: 3x+5y=2
x+4y=-2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
1) 3x+5y=2
2) x+4y=-2
Solve the 2nd equation for "x": x=-2-4y
Substitute into the 1st to get:
3(-2-4y)+5y=2
-6-12y+5y=2
-7y=8
y=-8/7
Substitute into the 1st or 2nd to get:
x+4(-8/7)=-2
x-32/7=-14/7
x=18/7
Solution: (18/7,-8/7)
Cheers,
Stan H.