x-9(4x-7)=5x-(x+21)

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Solution for x-9(4x-7)=5x-(x+21) equation: 



x-9(4x-7)=5x-(x+21)

We move all terms to the left:

x-9(4x-7)-(5x-(x+21))=0

We multiply parentheses

x-36x-(5x-(x+21))+63=0



We calculate terms in parentheses: -(5x-(x+21)), so:

5x-(x+21)

We get rid of parentheses

5x-x-21

We add all the numbers together, and all the variables

4x-21

Back to the equation:

-(4x-21)



We add all the numbers together, and all the variables

-35x-(4x-21)+63=0

We get rid of parentheses

-35x-4x+21+63=0

We add all the numbers together, and all the variables

-39x+84=0

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

-39x=-84

x=-84/-39

x=2+2/13

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