Question 256604
1/2(2n+6)=5n-12-n
1/2 of (2n +6) = n + 3
n + 3 = 5n -12 -n
n = 5n -n -12 -3
n = 4n -15
n -4n = -15
-3n = -15
n = -15/-3
n = 5