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4=7+y/2y
We move all terms to the left:
4-(7+y/2y)=0
Domain of the equation: 2y)!=0We add all the numbers together, and all the variables
y!=0/1
y!=0
y∈R
-(y/2y+7)+4=0
We get rid of parentheses
-y/2y-7+4=0
We multiply all the terms by the denominator
-y-7*2y+4*2y=0
We add all the numbers together, and all the variables
-1y-7*2y+4*2y=0
Wy multiply elements
-1y-14y+8y=0
We add all the numbers together, and all the variables
-7y=0
y=0/-7
y=0
Równanie nie ma rozwiązania
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