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21/28w=-16/28
We move all terms to the left:
21/28w-(-16/28)=0
Domain of the equation: 28w!=0We get rid of parentheses
w!=0/28
w!=0
w∈R
21/28w+16/28=0
We calculate fractions
=0
w=0/1
w=0
Równanie nie ma rozwiązania
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