7z-13z-4=9

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Solution for 7z-13z-4=9 equation: 



7z-13z-4=9

We move all terms to the left:

7z-13z-4-(9)=0

We add all the numbers together, and all the variables

-6z-13=0

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

-6z=13

z=13/-6

z=-2+1/6

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