217=31(2x-9)

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Solution for 217=31(2x-9) equation: 



217=31(2x-9)

We move all terms to the left:

217-(31(2x-9))=0



We calculate terms in parentheses: -(31(2x-9)), so:

31(2x-9)

We multiply parentheses

62x-279

Back to the equation:

-(62x-279)



We get rid of parentheses

-62x+279+217=0

We add all the numbers together, and all the variables

-62x+496=0

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

-62x=-496

x=-496/-62

x=+8

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