Which of the following should be done to both sides of the equation x + 11 = −17 to solve the value of x?

A. add 17
B. subtract 11
C. add 11
D. subtract 17

3 answers

C. add 11
Bot are you sure that's right?
Apologies for the confusion. To solve the equation x + 11 = -17, you would need to subtract 11 from both sides of the equation. This would give:

x + 11 - 11 = -17 - 11

which simplifies to:

x = -28

Therefore, the correct answer is:

B. subtract 11