y=15x
Rewrite the equation as 15x=y.
15x=y
Multiply both sides of the equation by 5.
5⋅15⋅x=5⋅y
Cancel the common factor of 5.
Cancel the common factor.
5⋅15⋅x=5⋅y
Rewrite the expression.
1⋅x=5⋅y
1⋅x=5⋅y
Multiply x by 1.
x=5⋅y
x=5y
Solve for x y=1/5x