Question

20 POINTS PLZ HELP!!!!!!!!!!!!!!!!!!!!

Answer 1

Answer:

a = 15

Step-by-step explanation:

First, you have to combine like terms: 5a and 3a, -5, -15, 6, and 4.

You can do it in any order and you will always get a = 15 for your answer.

Hope this helps!!!

Answer 2

Answer:

$5a - 5 - 15 = 3a + 6 + 4 \\ 5a - 3a = 5 + 15 + 6 + 4 \\ 2a = 30 \\ \frac{2a}{2} = \frac{30}{2} \\ a = 15$