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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

4x-(-4(-1x-3))+12=0



We calculate terms in parentheses: -(-4(-1x-3)), so:

-4(-1x-3)

We multiply parentheses

4x+12

Back to the equation:

-(4x+12)



We get rid of parentheses

4x-4x-12+12=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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