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1/5x-1/7x=7)15
We move all terms to the left:
1/5x-1/7x-(7)15)=0
Domain of the equation: 5x!=0
x!=0/5
x!=0
x∈R
Domain of the equation: 7x!=0We add all the numbers together, and all the variables
x!=0/7
x!=0
x∈R
1/5x-1/7x=0
We calculate fractions
7x/35x^2+(-5x)/35x^2=0
We multiply all the terms by the denominator
7x+(-5x)=0
We get rid of parentheses
7x-5x=0
We add all the numbers together, and all the variables
2x=0
x=0/2
x=0
Równanie nie ma rozwiązania
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