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2/5x - x/4 = 4

Quote: Originally Posted by lovely08 2/5x - x/4 = 4 Find a common denominator. Easy way to do that is multiply all denominators with each other: 5x*4 = 20x. Now, multiply the entire equality by 20x (same as multiplying each term by 20x). Simplify it... Quadratic formula will solve it...