4=-8+2z

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Solution for 4=-8+2z equation: 



4=-8+2z

We move all terms to the left:

4-(-8+2z)=0

We add all the numbers together, and all the variables

-(2z-8)+4=0

We get rid of parentheses

-2z+8+4=0

We add all the numbers together, and all the variables

-2z+12=0

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

-2z=-12

z=-12/-2

z=+6

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