y-4x=0

Subtract y from both sides of the equation.

-4x=-y

Divide each term in -4x=-y by -4.

-4x-4=-y-4

Cancel the common factor of -4.

Cancel the common factor.

-4x-4=-y-4

Divide x by 1.

x=-y-4

x=-y-4

Dividing two negative values results in a positive value.

x=y4

x=y4

Solve for x y-4x=0