Question

the sum of twice a number and 15 less than the number is the same as the difference between-7 and the number. what is the number

Answer 1

Let's say, the number is x.

2x + 15 ≤ (-7 - x )

2x + x ≤ -7 - 15

3x ≤ -23

x ≤ -23 / 3