420=(10+x)

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Solution for 420=(10+x) equation: 



420=(10+x)

We move all terms to the left:

420-((10+x))=0

We add all the numbers together, and all the variables

-((x+10))+420=0



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

(x+10)

We get rid of parentheses

x+10

Back to the equation:

-(x+10)



We get rid of parentheses

-x-10+420=0

We add all the numbers together, and all the variables

-1x+410=0

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

-x=-410

x=-410/-1

x=+410

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