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9/10z=1/5
We move all terms to the left:
9/10z-(1/5)=0
Domain of the equation: 10z!=0We add all the numbers together, and all the variables
z!=0/10
z!=0
z∈R
9/10z-(+1/5)=0
We get rid of parentheses
9/10z-1/5=0
We calculate fractions
There is no solution for this equation
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