(5x+21)=(12x+6)

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Solution for (5x+21)=(12x+6) equation: 



(5x+21)=(12x+6)

We move all terms to the left:

(5x+21)-((12x+6))=0

We get rid of parentheses

5x-((12x+6))+21=0



We calculate terms in parentheses: -((12x+6)), so:

(12x+6)

We get rid of parentheses

12x+6

Back to the equation:

-(12x+6)



We get rid of parentheses

5x-12x-6+21=0

We add all the numbers together, and all the variables

-7x+15=0

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

-7x=-15

x=-15/-7

x=2+1/7

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