531=(x*6)+21

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Solution for 531=(x*6)+21 equation: 



531=(x*6)+21

We move all terms to the left:

531-((x*6)+21)=0

We add all the numbers together, and all the variables

-((+x*6)+21)+531=0



We calculate terms in parentheses: -((+x*6)+21), so:

(+x*6)+21

We get rid of parentheses

x*6+21

Wy multiply elements

6x+21

Back to the equation:

-(6x+21)



We get rid of parentheses

-6x-21+531=0

We add all the numbers together, and all the variables

-6x+510=0

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

-6x=-510

x=-510/-6

x=+85

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