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Question
The sum of 38 and twice a number x is 124. What is −2x − 5?
Responses
A −101−101
B −91−91
C 4646
D 8686

Answer 1

To solve this problem, we can set up an equation using the information given.

The sum of 38 and twice a number x is 124 can be written as:

38 + 2x = 124

To solve for x, we can subtract 38 from both sides:

2x = 124 - 38
2x = 86

Finally, we can divide both sides by 2 to solve for x:

x = 86/2
x = 43

Now that we know the value of x, we can substitute it into the expression −2x − 5:

−2(43) − 5 = -86 - 5
= -91

Therefore, the correct answer is B) -91.