9=-z/2

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Solution for 9=-z/2 equation: 



9=-z/2

We move all terms to the left:

9-(-z/2)=0

We get rid of parentheses

z/2+9=0

We multiply all the terms by the denominator


z+9*2=0

We add all the numbers together, and all the variables

z+18=0

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

z=-18

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