12=4-(7-3x)

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



12=4-(7-3x)

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



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

4-(-3x+7)

determiningTheFunctionDomain
-(-3x+7)+4

We get rid of parentheses

3x-7+4

We add all the numbers together, and all the variables

3x-3

Back to the equation:

-(3x-3)



We get rid of parentheses

-3x+3+12=0

We add all the numbers together, and all the variables

-3x+15=0

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

-3x=-15

x=-15/-3

x=+5

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