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5z-1.75=8.2
We move all terms to the left:
5z-1.75-(8.2)=0
We add all the numbers together, and all the variables
5z-9.95=0
We move all terms containing z to the left, all other terms to the right
5z=9.95
z=9.95/5
z=1+2.5384615384615/2.5641025641026
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