Question #8b7e5

1 Answer
Jun 9, 2017

a=3

Explanation:

We begin the problem by distributing the 3 and 4 into the parenthesis:

6a+9-12a+24=15

Combine like terms:

-6a+33=15

Subtract 33 from both sides:

-6a+cancel33-cancel33=15-33

You are left with:

-6a=-18

Divide both sides by -6:

(-6a)/-6=(-18)/-6

Our final answer is:

a=3

If you need any further help please let me know :)