20=2(a-6)

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Solution for 20=2(a-6) equation: 



20=2(a-6)

We move all terms to the left:

20-(2(a-6))=0



We calculate terms in parentheses: -(2(a-6)), so:

2(a-6)

We multiply parentheses

2a-12

Back to the equation:

-(2a-12)



We get rid of parentheses

-2a+12+20=0

We add all the numbers together, and all the variables

-2a+32=0

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

-2a=-32

a=-32/-2

a=+16

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