263=21(-x)

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Solution for 263=21(-x) equation: 



263=21(-x)

We move all terms to the left:

263-(21(-x))=0

We add all the numbers together, and all the variables

-(21(-1x))+263=0



We calculate terms in parentheses: -(21(-1x)), so:

21(-1x)

We multiply parentheses

-21x

Back to the equation:

-(-21x)



We get rid of parentheses

21x+263=0

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

21x=-263

x=-263/21

x=-12+11/21

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