Question

What is the value of the expression below when x = –2?

5 + 3(x – 7) – (x + 1)

A.
–7

B.
–5

C.
–21

D.
–23

Answer 1

@inowalst

Answer 2

Hm. What do you think?

Answer 3

I tried it two ways and got different answers.

Answer 4

you are asked to replace x with -2 so it becomes

5 + 3(-2 -7) -( -2 + 1)

now use order of operation to evaluate it.

Answer 5

PEMDAS ?