-30=x+(-15)

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Solution for -30=x+(-15) equation: 



-30=x+(-15)

We move all terms to the left:

-30-(x+(-15))=0



We calculate terms in parentheses: -(x+(-15)), so:

x+(-15)

We add all the numbers together, and all the variables

x-15

Back to the equation:

-(x-15)



We get rid of parentheses

-x+15-30=0

We add all the numbers together, and all the variables

-1x-15=0

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

-x=15

x=15/-1

x=-15

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