solve for x 5/4=x/12
x = 15. You can do this by multiplying both sides by 12. When you do this your equation will look like this...60/4 = xFinally, all you need to do is simplify :)x = 15
5 / 4 = x / 12Common denominator ⇒ 12Cross multiply.(5) × (12 )= x × (4)60 = 4xdivide both sides by 460 = 4x/4 /4x = 15.