9=-x/2

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Solution for 9=-x/2 equation: 



9=-x/2

We move all terms to the left:

9-(-x/2)=0

We get rid of parentheses

x/2+9=0

We multiply all the terms by the denominator


x+9*2=0

We add all the numbers together, and all the variables

x+18=0

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

x=-18

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