18+3=-3(6x-7)

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Solution for 18+3=-3(6x-7) equation: 



18+3=-3(6x-7)

We move all terms to the left:

18+3-(-3(6x-7))=0

We add all the numbers together, and all the variables

-(-3(6x-7))+21=0



We calculate terms in parentheses: -(-3(6x-7)), so:

-3(6x-7)

We multiply parentheses

-18x+21

Back to the equation:

-(-18x+21)



We get rid of parentheses

18x-21+21=0

We add all the numbers together, and all the variables

18x=0

x=0/18

x=0

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