Solve the equation -3 + 1/2n = 1/2(-n+14)

Question

For my school

Answer 1

-3 + 1/2n = 1/2(-n + 14)

Multiply both sides of the equation by 2 to cancel the #2 in the denominator of the fraction

2(-3 + 1/2n) = 2(1/2(-n + 14))

-6 + n = -n + 14

2n = 20

n = 20 / 2 = 10