Question

Solve for x:
12x-9=7x+31

Answer 1

X=8

Explanation:

1. Subtract 7x from 12x to get 5x.

2. Change the operation of the -9 to adding then add 9 to 31 to get 40.

3. Now that you have 5x=40 and divide the 5x by the 40 to get 8.