Sal solves the equation (3/4)x + 2 (3/8)x4. Created by Sal Khan and Mo – InterviewSolution

1.

Sal solves the equation (3/4)x + 2 (3/8)x4. Created by Sal Khan and MontereyInstitute for Technology and Education.

Answer»

(3/4)x + 2 = (3/8)x - 4

2 + 4 = (3/8)x - (3/4)x

6 = (3/4)x [ 1/2 - 1]

6 = (-3/8)x

x = (-6 × 8)/3

x = -16

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