3x-2+21=(9.5+x)+x

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Solution for 3x-2+21=(9.5+x)+x equation: 



3x-2+21=(9.5+x)+x

We move all terms to the left:

3x-2+21-((9.5+x)+x)=0

We add all the numbers together, and all the variables

3x-((x+9.5)+x)-2+21=0

We add all the numbers together, and all the variables

3x-((x+9.5)+x)+19=0



We calculate terms in parentheses: -((x+9.5)+x), so:

(x+9.5)+x

We add all the numbers together, and all the variables

x+(x+9.5)

We get rid of parentheses

x+x+9.5

We add all the numbers together, and all the variables

2x+9.5

Back to the equation:

-(2x+9.5)



We get rid of parentheses

3x-2x-9.5+19=0

We add all the numbers together, and all the variables

x+9.5=0

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

x=-9.5

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