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0.1=-z+0.4
We move all terms to the left:
0.1-(-z+0.4)=0
We add all the numbers together, and all the variables
-(-1z+0.4)+0.1=0
We get rid of parentheses
1z-0.4+0.1=0
We add all the numbers together, and all the variables
z-0.3=0
We move all terms containing z to the left, all other terms to the right
z=0.3
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