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r/4r+13=57
We move all terms to the left:
r/4r+13-(57)=0
Domain of the equation: 4r!=0We add all the numbers together, and all the variables
r!=0/4
r!=0
r∈R
r/4r-44=0
We multiply all the terms by the denominator
r-44*4r=0
Wy multiply elements
r-176r=0
We add all the numbers together, and all the variables
-175r=0
r=0/-175
r=0
Równanie nie ma rozwiązania
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