7+(-z)=(-9)

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Solution for 7+(-z)=(-9) equation: 



7+(-z)=(-9)

We move all terms to the left:

7+(-z)-((-9))=0

We add all the numbers together, and all the variables

(-1z)+7-((-9))=0

We add all the numbers together, and all the variables

(-1z)+16=0

We get rid of parentheses

-1z+16=0

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

-z=-16

z=-16/-1

z=+16

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