-1=3z-7

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Solution for -1=3z-7 equation: 



-1=3z-7

We move all terms to the left:

-1-(3z-7)=0

We get rid of parentheses

-3z+7-1=0

We add all the numbers together, and all the variables

-3z+6=0

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

-3z=-6

z=-6/-3

z=+2

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