4-(3x-5)=21-(2x+7)

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Solution for 4-(3x-5)=21-(2x+7) equation: 



4-(3x-5)=21-(2x+7)

We move all terms to the left:

4-(3x-5)-(21-(2x+7))=0

We get rid of parentheses

-3x-(21-(2x+7))+5+4=0



We calculate terms in parentheses: -(21-(2x+7)), so:

21-(2x+7)

determiningTheFunctionDomain
-(2x+7)+21

We get rid of parentheses

-2x-7+21

We add all the numbers together, and all the variables

-2x+14

Back to the equation:

-(-2x+14)



We add all the numbers together, and all the variables

-3x-(-2x+14)+9=0

We get rid of parentheses

-3x+2x-14+9=0

We add all the numbers together, and all the variables

-1x-5=0

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

-x=5

x=5/-1

x=-5

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