20-8a=4(a+8)

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Solution for 20-8a=4(a+8) equation: 



20-8a=4(a+8)

We move all terms to the left:

20-8a-(4(a+8))=0



We calculate terms in parentheses: -(4(a+8)), so:

4(a+8)

We multiply parentheses

4a+32

Back to the equation:

-(4a+32)



We get rid of parentheses

-8a-4a-32+20=0

We add all the numbers together, and all the variables

-12a-12=0

We move all terms containing a to the left, all other terms to the right

-12a=12

a=12/-12

a=-1

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