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3/7-1/7x=4/7
We move all terms to the left:
3/7-1/7x-(4/7)=0
Domain of the equation: 7x!=0We add all the numbers together, and all the variables
x!=0/7
x!=0
x∈R
-1/7x+3/7-(+4/7)=0
We get rid of parentheses
-1/7x+3/7-4/7=0
We calculate fractions
=0
x=0/1
x=0
Równanie nie ma rozwiązania
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