-7x-12=-7+3(-4-x)

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Solution for -7x-12=-7+3(-4-x) equation: 



-7x-12=-7+3(-4-x)

We move all terms to the left:

-7x-12-(-7+3(-4-x))=0

We add all the numbers together, and all the variables

-7x-(-7+3(-1x-4))-12=0



We calculate terms in parentheses: -(-7+3(-1x-4)), so:

-7+3(-1x-4)

determiningTheFunctionDomain
3(-1x-4)-7

We multiply parentheses

-3x-12-7

We add all the numbers together, and all the variables

-3x-19

Back to the equation:

-(-3x-19)



We get rid of parentheses

-7x+3x+19-12=0

We add all the numbers together, and all the variables

-4x+7=0

We move all terms containing x to the left, all other terms to the right

-4x=-7

x=-7/-4

x=1+3/4

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