-1+21x=-(x-9)+2(11x-5)

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Solution for -1+21x=-(x-9)+2(11x-5) equation: 



-1+21x=-(x-9)+2(11x-5)

We move all terms to the left:

-1+21x-(-(x-9)+2(11x-5))=0



We calculate terms in parentheses: -(-(x-9)+2(11x-5)), so:

-(x-9)+2(11x-5)

We multiply parentheses

-(x-9)+22x-10

We get rid of parentheses

-x+22x+9-10

We add all the numbers together, and all the variables

21x-1

Back to the equation:

-(21x-1)



We get rid of parentheses

21x-21x+1-1=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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