(5x-3)=(21-x)

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Solution for (5x-3)=(21-x) equation: 



(5x-3)=(21-x)

We move all terms to the left:

(5x-3)-((21-x))=0

We add all the numbers together, and all the variables

(5x-3)-((-1x+21))=0

We get rid of parentheses

5x-((-1x+21))-3=0



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

(-1x+21)

We get rid of parentheses

-1x+21

Back to the equation:

-(-1x+21)



We get rid of parentheses

5x+1x-21-3=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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