Unclear. Do you mean:
(x-4)/9 = x/18
or
x - 4/9 = x/18?
Either way, you start by multiplying both sides by 18.
2x - 8 = x
or
18x - 8 = x
Take it from there.
I hope this helps.
Solve the proportion
x-4/9=x/18
1 answer