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7/10z=4/9
We move all terms to the left:
7/10z-(4/9)=0
Domain of the equation: 10z!=0We add all the numbers together, and all the variables
z!=0/10
z!=0
z∈R
7/10z-(+4/9)=0
We get rid of parentheses
7/10z-4/9=0
We calculate fractions
There is no solution for this equation
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