9z+7z=-4z-2-3z

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Solution for 9z+7z=-4z-2-3z equation: 



9z+7z=-4z-2-3z

We move all terms to the left:

9z+7z-(-4z-2-3z)=0

We add all the numbers together, and all the variables

9z+7z-(-7z-2)=0

We add all the numbers together, and all the variables

16z-(-7z-2)=0

We get rid of parentheses

16z+7z+2=0

We add all the numbers together, and all the variables

23z+2=0

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

23z=-2

z=-2/23

z=-2/23

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