Question

3(х + 6 ) = 4х + 2(х +9)

Answer 1

3(х + 6) = 4х + 2(х + 9)

3х + 18 = 4х + 2х + 18

3х + 18 = 6х + 18

3х - 6х = 18 - 18

-3х = 0

х = 0 : (-3)

х = 0