4x+10=3x+21+(7-x)

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Solution for 4x+10=3x+21+(7-x) equation: 



4x+10=3x+21+(7-x)

We move all terms to the left:

4x+10-(3x+21+(7-x))=0

We add all the numbers together, and all the variables

4x-(3x+21+(-1x+7))+10=0



We calculate terms in parentheses: -(3x+21+(-1x+7)), so:

3x+21+(-1x+7)

determiningTheFunctionDomain
3x+(-1x+7)+21

We get rid of parentheses

3x-1x+7+21

We add all the numbers together, and all the variables

2x+28

Back to the equation:

-(2x+28)



We get rid of parentheses

4x-2x-28+10=0

We add all the numbers together, and all the variables

2x-18=0

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

2x=18

x=18/2

x=9

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