Solve for a:

12a - 8 = 11a + 3

11

Step-by-step explanation:

12a-8 = 11a + 3

First we need to get the variables on one side and the constants on the other side.

So subtract 11a from both sides.

12a-11a - 8 = 3

1a - 8 = 3 now add 8 to each side

1a = 3+8

1a = 11