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19.4z-8.7z+18.82=-1.7-19.62
We move all terms to the left:
19.4z-8.7z+18.82-(-1.7-19.62)=0
We add all the numbers together, and all the variables
19.4z-8.7z+18.82-(-21.32)=0
We add all the numbers together, and all the variables
10.7z+40.14=0
We move all terms containing z to the left, all other terms to the right
10.7z=-40.14
z=-40.14/10.7
z=-3+3.9411764705882/5.2450980392157
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