2a+3=21(8+6a)

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Solution for 2a+3=21(8+6a) equation: 



2a+3=21(8+6a)

We move all terms to the left:

2a+3-(21(8+6a))=0

We add all the numbers together, and all the variables

2a-(21(6a+8))+3=0



We calculate terms in parentheses: -(21(6a+8)), so:

21(6a+8)

We multiply parentheses

126a+168

Back to the equation:

-(126a+168)



We get rid of parentheses

2a-126a-168+3=0

We add all the numbers together, and all the variables

-124a-165=0

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

-124a=165

a=165/-124

a=-1+41/124

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