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20=4v/7v
We move all terms to the left:
20-(4v/7v)=0
Domain of the equation: 7v)!=0We add all the numbers together, and all the variables
v!=0/1
v!=0
v∈R
-(+4v/7v)+20=0
We get rid of parentheses
-4v/7v+20=0
We multiply all the terms by the denominator
-4v+20*7v=0
Wy multiply elements
-4v+140v=0
We add all the numbers together, and all the variables
136v=0
v=0/136
v=0
Równanie nie ma rozwiązania
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