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1/7a+1/3a=6/7
We move all terms to the left:
1/7a+1/3a-(6/7)=0
Domain of the equation: 7a!=0
a!=0/7
a!=0
a∈R
Domain of the equation: 3a!=0We add all the numbers together, and all the variables
a!=0/3
a!=0
a∈R
1/7a+1/3a-(+6/7)=0
We get rid of parentheses
1/7a+1/3a-6/7=0
We calculate fractions
3a/1029a^2+343a/1029a^2+(-18a)/1029a^2=0
We multiply all the terms by the denominator
3a+343a+(-18a)=0
We add all the numbers together, and all the variables
346a+(-18a)=0
We get rid of parentheses
346a-18a=0
We add all the numbers together, and all the variables
328a=0
a=0/328
a=0
Równanie nie ma rozwiązania
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