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(120-12x)/7x=4/7
We move all terms to the left:
(120-12x)/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
(-12x+120)/7x-(+4/7)=0
We get rid of parentheses
(-12x+120)/7x-4/7=0
We calculate fractions
=0
x=0/1
x=0
Równanie nie ma rozwiązania
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