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2/7x+4/7x=-30/7
We move all terms to the left:
2/7x+4/7x-(-30/7)=0
Domain of the equation: 7x!=0We get rid of parentheses
x!=0/7
x!=0
x∈R
2/7x+4/7x+30/7=0
We calculate fractions
=0
x=0/1
x=0
Równanie nie ma rozwiązania
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