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Can someone help me out on this? Solve using substitution. x - 4y = 4 6x - 3y = -18
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High School Teacher
Solve the first equation for `x: x=4y+4`
Substitute this expression for `x` into the second equation:
`6(4y+4)-3y=-18` You now have one equation in one unknown. Solve for `y:`
So the solution is x=-4,y=-2
Check by plugging back into both equations:
Posted by embizze on December 8, 2011 at 9:46 AM (Answer #1)
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