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7-6a/9a=1/15
We move all terms to the left:
7-6a/9a-(1/15)=0
Domain of the equation: 9a!=0We add all the numbers together, and all the variables
a!=0/9
a!=0
a∈R
-6a/9a+7-(+1/15)=0
We get rid of parentheses
-6a/9a+7-1/15=0
We calculate fractions
(-90a)/135a+(-9a)/135a+7=0
We multiply all the terms by the denominator
(-90a)+(-9a)+7*135a=0
Wy multiply elements
(-90a)+(-9a)+945a=0
We get rid of parentheses
-90a-9a+945a=0
We add all the numbers together, and all the variables
846a=0
a=0/846
a=0
Równanie nie ma rozwiązania
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