3+12=-3(4x-5)

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Solution for 3+12=-3(4x-5) equation: 



3+12=-3(4x-5)

We move all terms to the left:

3+12-(-3(4x-5))=0

We add all the numbers together, and all the variables

-(-3(4x-5))+15=0



We calculate terms in parentheses: -(-3(4x-5)), so:

-3(4x-5)

We multiply parentheses

-12x+15

Back to the equation:

-(-12x+15)



We get rid of parentheses

12x-15+15=0

We add all the numbers together, and all the variables

12x=0

x=0/12

x=0

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