Question

the sum of twice a number and 20 less than the number is the same as the difference between -12 and the number what is the number

Answer 1

Explanation:

Let the number be x

2x + (x - 20) = -12 - x

2x + x - 20 = -12 - x

2x + x + x = -12 - 20

4x = -32

x = -32/4

x = -8