(5x+2)-(5-x)=21

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



(5x+2)-(5-x)=21

We move all terms to the left:

(5x+2)-(5-x)-(21)=0

We add all the numbers together, and all the variables

(5x+2)-(-1x+5)-21=0

We get rid of parentheses

5x+1x+2-5-21=0

We add all the numbers together, and all the variables

6x-24=0

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

6x=24

x=24/6

x=4

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