Question

The sum of 38 and twice a number x is 124. What is −2x − 5?

Answer 1

Explanation:

2x + 38 = 124

2x = 124 - 38 = 86

x = 86/2 = 43

Now substitute x as 43 in -2x - 5, -2(43) -5, -86 -5 = -91

Answer: -91