Question

PLSSS HELP HERES THE QUESTION I HAVE A ATTACHMENT ALSO 5. What is the value of x if 2x-6 =21 ? ​

Answer 1

x=9

Explanation:

1. If you're given the possible solutions then just substitute x for the possible solutions given.

3(5) - 6 = 9, so A is incorrect.

3(1) - 6 = -3, so B is incorrect.

3(12) - 6 = 36, so C is incorrect.

3(9) - 6 = 21, so D is correct.