Respuesta :

The answer to this question  is a=2   

The answer is a=2:


Equation=

Open the parenthesis first:

-20+8a+3a-12=12-6a-5a

Add all the a's and the numbers together:

-32+11a=12-11a

Lastly put all a's on one side and the numbers on the other side:

22a=44

Divide the numbers and get:

a=2

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