-7=z-(-12)

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Solution for -7=z-(-12) equation: 



-7=z-(-12)

We move all terms to the left:

-7-(z-(-12))=0



We calculate terms in parentheses: -(z-(-12)), so:

z-(-12)

We add all the numbers together, and all the variables

z+12

Back to the equation:

-(z+12)



We get rid of parentheses

-z-12-7=0

We add all the numbers together, and all the variables

-1z-19=0

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

-z=19

z=19/-1

z=-19

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