4=-3x-(-7)

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



4=-3x-(-7)

We move all terms to the left:

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



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

-3x-(-7)

We add all the numbers together, and all the variables

-3x+7

Back to the equation:

-(-3x+7)



We get rid of parentheses

3x-7+4=0

We add all the numbers together, and all the variables

3x-3=0

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

3x=3

x=3/3

x=1

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