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5.4=3z-3
We move all terms to the left:
5.4-(3z-3)=0
We get rid of parentheses
-3z+3+5.4=0
We add all the numbers together, and all the variables
-3z+8.4=0
We move all terms containing z to the left, all other terms to the right
-3z=-8.4
z=-8.4/-3
z=2+2.4/3
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