Question

When simplified, 9x − (x + 1) is:

A, 8x − 9x.
B. 8x + 1.
C 8x − 1.
D None of these choices are correct.

Answer 1

the answer is C

Explanation:

when theres a - before brackets it's like a one so you just simply do -1×x and -1×1 and thats the answer