SOLUTION: How do you solve 6x-y=-4; x+2y=7 using substitution method?
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Question 26372: How do you solve 6x-y=-4; x+2y=7 using substitution method?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Solve the 1st equation for "y": y=6x+4
Substitute into the 2nd equation, as follows;
X+2(6X+4)=7
X+12X+8=7
13X=-1
X=-1/13
Substitut that into y=6x+4
y=6(-1/13)+4
y=-6/13-52/13
y=46/13
Solution: x=-1/13; y=46/13
Cheers,
Stan H.
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