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-2.2+0.3z=3-0.5z-0.82
We move all terms to the left:
-2.2+0.3z-(3-0.5z-0.82)=0
We add all the numbers together, and all the variables
0.3z-(-0.5z+2.18)-2.2=0
We get rid of parentheses
0.3z+0.5z-2.18-2.2=0
We add all the numbers together, and all the variables
0.8z-4.38=0
We move all terms containing z to the left, all other terms to the right
0.8z=4.38
z=4.38/0.8
z=5+0.38/0.8
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