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2/7z+5/4z=4/7
We move all terms to the left:
2/7z+5/4z-(4/7)=0
Domain of the equation: 7z!=0
z!=0/7
z!=0
z∈R
Domain of the equation: 4z!=0We add all the numbers together, and all the variables
z!=0/4
z!=0
z∈R
2/7z+5/4z-(+4/7)=0
We get rid of parentheses
2/7z+5/4z-4/7=0
We calculate fractions
8z/1372z^2+1715z/1372z^2+(-16z)/1372z^2=0
We multiply all the terms by the denominator
8z+1715z+(-16z)=0
We add all the numbers together, and all the variables
1723z+(-16z)=0
We get rid of parentheses
1723z-16z=0
We add all the numbers together, and all the variables
1707z=0
z=0/1707
z=0
Równanie nie ma rozwiązania
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