Hi Karina,
y=4x
3x-y=1 equation 1
substitute the value of y=4x in equation 1
3x-4x=1
-x=1
x=-1
y=4x=4(-1)=-4
x=-1 and y=-4
Karina T.
asked • 02/12/14how do i solve this problem?
y=4x
3x-y=1
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