58=21(a+2)

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Solution for 58=21(a+2) equation: 



58=21(a+2)

We move all terms to the left:

58-(21(a+2))=0



We calculate terms in parentheses: -(21(a+2)), so:

21(a+2)

We multiply parentheses

21a+42

Back to the equation:

-(21a+42)



We get rid of parentheses

-21a-42+58=0

We add all the numbers together, and all the variables

-21a+16=0

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

-21a=-16

a=-16/-21

a=16/21

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