4=-x-(-9)

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Solution for 4=-x-(-9) equation: 



4=-x-(-9)

We move all terms to the left:

4-(-x-(-9))=0



We calculate terms in parentheses: -(-x-(-9)), so:

-x-(-9)

We add all the numbers together, and all the variables

-1x+9

Back to the equation:

-(-1x+9)



We get rid of parentheses

1x-9+4=0

We add all the numbers together, and all the variables

x-5=0

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

x=5

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