A certain number is added to 7 and then divided by 12. Result is 4 : find the number?
(n+7) / 12 = 4 multiply both sides by 12
n+7 = 48 subtract 7 both sides
n = 41
(n+7) / 12 = 4 multiply both sides by 12
n+7 = 48 subtract 7 both sides
n = 41