21x-21=5(x-81+10)

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Solution for 21x-21=5(x-81+10) equation: 



21x-21=5(x-81+10)

We move all terms to the left:

21x-21-(5(x-81+10))=0

We add all the numbers together, and all the variables

21x-(5(x-71))-21=0



We calculate terms in parentheses: -(5(x-71)), so:

5(x-71)

We multiply parentheses

5x-355

Back to the equation:

-(5x-355)



We get rid of parentheses

21x-5x+355-21=0

We add all the numbers together, and all the variables

16x+334=0

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

16x=-334

x=-334/16

x=-20+7/8

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