X-(4x-7)=5-(x+21)

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



X-(4X-7)=5-(X+21)

We move all terms to the left:

X-(4X-7)-(5-(X+21))=0

We get rid of parentheses

X-4X-(5-(X+21))+7=0



We calculate terms in parentheses: -(5-(X+21)), so:

5-(X+21)

determiningTheFunctionDomain
-(X+21)+5

We get rid of parentheses

-X-21+5

We add all the numbers together, and all the variables

-1X-16

Back to the equation:

-(-1X-16)



We add all the numbers together, and all the variables

-3X-(-1X-16)+7=0

We get rid of parentheses

-3X+1X+16+7=0

We add all the numbers together, and all the variables

-2X+23=0

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

-2X=-23

X=-23/-2

X=11+1/2

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