12=-4(-5x-3)

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



12=-4(-5x-3)

We move all terms to the left:

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



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

-4(-5x-3)

We multiply parentheses

20x+12

Back to the equation:

-(20x+12)



We get rid of parentheses

-20x-12+12=0

We add all the numbers together, and all the variables

-20x=0

x=0/-20

x=0

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