(2a+21)=(3a-1)

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Solution for (2a+21)=(3a-1) equation: 



(2a+21)=(3a-1)

We move all terms to the left:

(2a+21)-((3a-1))=0

We get rid of parentheses

2a-((3a-1))+21=0



We calculate terms in parentheses: -((3a-1)), so:

(3a-1)

We get rid of parentheses

3a-1

Back to the equation:

-(3a-1)



We get rid of parentheses

2a-3a+1+21=0

We add all the numbers together, and all the variables

-1a+22=0

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

-a=-22

a=-22/-1

a=+22

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