7=4-(x+12)

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



7=4-(x+12)

We move all terms to the left:

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



We calculate terms in parentheses: -(4-(x+12)), so:

4-(x+12)

determiningTheFunctionDomain
-(x+12)+4

We get rid of parentheses

-x-12+4

We add all the numbers together, and all the variables

-1x-8

Back to the equation:

-(-1x-8)



We get rid of parentheses

1x+8+7=0

We add all the numbers together, and all the variables

x+15=0

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

x=-15

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