4z-3-12z=-7z-9

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Solution for 4z-3-12z=-7z-9 equation: 



4z-3-12z=-7z-9

We move all terms to the left:

4z-3-12z-(-7z-9)=0

We add all the numbers together, and all the variables

-8z-(-7z-9)-3=0

We get rid of parentheses

-8z+7z+9-3=0

We add all the numbers together, and all the variables

-1z+6=0

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

-z=-6

z=-6/-1

z=+6

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