12+3=-3(7x-5)

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Solution for 12+3=-3(7x-5) equation: 



12+3=-3(7x-5)

We move all terms to the left:

12+3-(-3(7x-5))=0

We add all the numbers together, and all the variables

-(-3(7x-5))+15=0



We calculate terms in parentheses: -(-3(7x-5)), so:

-3(7x-5)

We multiply parentheses

-21x+15

Back to the equation:

-(-21x+15)



We get rid of parentheses

21x-15+15=0

We add all the numbers together, and all the variables

21x=0

x=0/21

x=0

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