20+4a=-4(1-4a)

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Solution for 20+4a=-4(1-4a) equation: 



20+4a=-4(1-4a)

We move all terms to the left:

20+4a-(-4(1-4a))=0

We add all the numbers together, and all the variables

4a-(-4(-4a+1))+20=0



We calculate terms in parentheses: -(-4(-4a+1)), so:

-4(-4a+1)

We multiply parentheses

16a-4

Back to the equation:

-(16a-4)



We get rid of parentheses

4a-16a+4+20=0

We add all the numbers together, and all the variables

-12a+24=0

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

-12a=-24

a=-24/-12

a=+2

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