Question

Add 5 to me. Then divide by 7. If you add 12 and then subtract 7 you get 10. What number am I

Answer 1

30

Explanation:

work in reverse:

10+7=17

17-12=5

5×7=35

35-5=30

Answer 2

x = 30/7

Explanation:

Unknown number = x

Write an equation

x + 5 ÷ 7 + 12 - 7 = 10

Simplify

x + 5/7 + 12 - 7 = 10

x + 5/7 + 5 = 10

x + 5/7 = 5

x = 30/7

Hope this helps :)