-3z-1=-7z

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



-3z-1=-7z

We move all terms to the left:

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

We get rid of parentheses

-3z+7z-1=0

We add all the numbers together, and all the variables

4z-1=0

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

4z=1

z=1/4

z=1/4

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