Question

Subtract or add. -4x/x + 7 - 8/x + 7

A. -4x + 8/x + 7
B. x - 8/x
C. -4x - 8/x + 7
D. x + 7/-4x

Thanks. :)

Answer 1

The denominators are the same, so you can subtract the numerators and place that over the common denominator.

Answer 2

ex: 3/5 - 1/5 = (3-1)/5

Answer 3

I got B. Is that right? Thanks for the response.

Answer 4

no it's not B

Answer 5

-4x - 8 over the common denominator which is already x+7, so which one is that?

Answer 6

C. Thanks much.