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8.25-3z=-8z
We move all terms to the left:
8.25-3z-(-8z)=0
We get rid of parentheses
-3z+8z+8.25=0
We add all the numbers together, and all the variables
5z+8.25=0
We move all terms containing z to the left, all other terms to the right
5z=-8.25
z=-8.25/5
z=-1+2.6/4
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