31=x-(-30)

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Solution for 31=x-(-30) equation: 



31=x-(-30)

We move all terms to the left:

31-(x-(-30))=0



We calculate terms in parentheses: -(x-(-30)), so:

x-(-30)

We add all the numbers together, and all the variables

x+30

Back to the equation:

-(x+30)



We get rid of parentheses

-x-30+31=0

We add all the numbers together, and all the variables

-1x+1=0

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

-x=-1

x=-1/-1

x=1

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