Quick Divison Algebra
(x+2)/4 = 12/x
its 6, but how would you solve step by step?
Or think about a common denominator between 4 and x. The only option is "4x." So multiply both sides by 4x. (You'll get what TPH got when he "cross multiplied.")
Originally Posted by stones44
I prefer common denominators over cross multiplying because it can be applied in more places.