Question

Seven less than twice a number is 15. What is the number?

Answer 1

The number is 11

15+7=22
22/2=11

Answer 2

Number = x

Equation = 7 - 2x = 15

7 - 2x = 15

- 2x = 15 - 7

-2x = 8

x = - 8/2

x = - 4