3=(a-2)

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Solution for 3=(a-2) equation: 



3=(a-2)

We move all terms to the left:

3-((a-2))=0



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

(a-2)

We get rid of parentheses

a-2

Back to the equation:

-(a-2)



We get rid of parentheses

-a+2+3=0

We add all the numbers together, and all the variables

-1a+5=0

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

-a=-5

a=-5/-1

a=+5

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