55=(2a-1)

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Solution for 55=(2a-1) equation: 



55=(2a-1)

We move all terms to the left:

55-((2a-1))=0



We calculate terms in parentheses: -((2a-1)), so:

(2a-1)

We get rid of parentheses

2a-1

Back to the equation:

-(2a-1)



We get rid of parentheses

-2a+1+55=0

We add all the numbers together, and all the variables

-2a+56=0

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

-2a=-56

a=-56/-2

a=+28

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