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

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Solution for -12(7+x)=4(x-1) equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-12x-(4(x-1))-84=0



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

4(x-1)

We multiply parentheses

4x-4

Back to the equation:

-(4x-4)



We get rid of parentheses

-12x-4x+4-84=0

We add all the numbers together, and all the variables

-16x-80=0

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

-16x=80

x=80/-16

x=-5

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