7-8z=-7-z

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Solution for 7-8z=-7-z equation: 



7-8z=-7-z

We move all terms to the left:

7-8z-(-7-z)=0

We add all the numbers together, and all the variables

-8z-(-1z-7)+7=0

We get rid of parentheses

-8z+1z+7+7=0

We add all the numbers together, and all the variables

-7z+14=0

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

-7z=-14

z=-14/-7

z=+2

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