Question

Five times the sum of 9 and some number is 145. What is the number?

Answer 1

x=20

Explanation:

5(x+9) =145 (watch carefully)

5x + 45 = 145

5x + 45 - 45 = 145 - 45

5x = 100

5x/5 (to cancel eachother out) then --> 100/5

x=20