10x=(21-x)-10

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Solution for 10x=(21-x)-10 equation: 



10x=(21-x)-10

We move all terms to the left:

10x-((21-x)-10)=0

We add all the numbers together, and all the variables

10x-((-1x+21)-10)=0



We calculate terms in parentheses: -((-1x+21)-10), so:

(-1x+21)-10

We get rid of parentheses

-1x+21-10

We add all the numbers together, and all the variables

-1x+11

Back to the equation:

-(-1x+11)



We get rid of parentheses

10x+1x-11=0

We add all the numbers together, and all the variables

11x-11=0

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

11x=11

x=11/11

x=1

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