9(9+21x)=10(10+17x)

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Solution for 9(9+21x)=10(10+17x) equation: 



9(9+21x)=10(10+17x)

We move all terms to the left:

9(9+21x)-(10(10+17x))=0

We add all the numbers together, and all the variables

9(21x+9)-(10(17x+10))=0

We multiply parentheses

189x-(10(17x+10))+81=0



We calculate terms in parentheses: -(10(17x+10)), so:

10(17x+10)

We multiply parentheses

170x+100

Back to the equation:

-(170x+100)



We get rid of parentheses

189x-170x-100+81=0

We add all the numbers together, and all the variables

19x-19=0

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

19x=19

x=19/19

x=1

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