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-(-2z-4)/4=-8
We move all terms to the left:
-(-2z-4)/4-(-8)=0
We add all the numbers together, and all the variables
-(-2z-4)/4+8=0
We multiply all the terms by the denominator
-(-2z-4)+8*4=0
We add all the numbers together, and all the variables
-(-2z-4)+32=0
We get rid of parentheses
2z+4+32=0
We add all the numbers together, and all the variables
2z+36=0
We move all terms containing z to the left, all other terms to the right
2z=-36
z=-36/2
z=-18
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