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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



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

5X-(X+21)

We get rid of parentheses

5X-X-21

We add all the numbers together, and all the variables

4X-21

Back to the equation:

-(4X-21)



We add all the numbers together, and all the variables

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

We get rid of parentheses

5X-4X+21-7=0

We add all the numbers together, and all the variables

X+14=0

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

X=-14

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