(6x+3)21=(6x+3)17

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Solution for (6x+3)21=(6x+3)17 equation: 



(6x+3)21=(6x+3)17

We move all terms to the left:

(6x+3)21-((6x+3)17)=0

We multiply parentheses

126x-((6x+3)17)+63=0



We calculate terms in parentheses: -((6x+3)17), so:

(6x+3)17

We multiply parentheses

102x+51

Back to the equation:

-(102x+51)



We get rid of parentheses

126x-102x-51+63=0

We add all the numbers together, and all the variables

24x+12=0

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

24x=-12

x=-12/24

x=-1/2

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