6-9z=-7z

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Solution for 6-9z=-7z equation: 



6-9z=-7z

We move all terms to the left:

6-9z-(-7z)=0

We get rid of parentheses

-9z+7z+6=0

We add all the numbers together, and all the variables

-2z+6=0

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

-2z=-6

z=-6/-2

z=+3

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