Video
Equation with variables on both sides: fractions (Full video)
Khan Academy
Supporting grades: 8
Description: Sal solves the equation (3/4)x + 2 = (3/8)x - 4 using the distributive property. We have the equation 3/4x plus 2 is equal to 3/8x minus 4. So what I'm going to do, right from the start of this video, is to multiply both sides of this equation by some number so I can get rid of the fractions. I'm going to multiply 8 times both sides of this equation.
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