Sal solves the equation 20 - 7x = 6x - 6.
Equations with variables on both sides is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSA.REI.B.3.
1. HSA.REI.B.3 : Solve linear equations and inequalities in one variable, including equations with coefficients represented by letters.
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