3z-7=9z-1

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Solution for 3z-7=9z-1 equation: 



3z-7=9z-1

We move all terms to the left:

3z-7-(9z-1)=0

We get rid of parentheses

3z-9z+1-7=0

We add all the numbers together, and all the variables

-6z-6=0

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

-6z=6

z=6/-6

z=-1

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