(4x+7)=(x+21)

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



(4x+7)=(x+21)

We move all terms to the left:

(4x+7)-((x+21))=0

We get rid of parentheses

4x-((x+21))+7=0



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

(x+21)

We get rid of parentheses

x+21

Back to the equation:

-(x+21)



We get rid of parentheses

4x-x-21+7=0

We add all the numbers together, and all the variables

3x-14=0

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

3x=14

x=14/3

x=4+2/3

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