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/7r-5=-26
We move all terms to the left:
/7r-5-(-26)=0
Domain of the equation: 7r!=0We add all the numbers together, and all the variables
r!=0/7
r!=0
r∈R
/7r+21=0
We multiply all the terms by the denominator
21*7r+=0
We add all the numbers together, and all the variables
21*7r=0
Wy multiply elements
147r=0
r=0/147
r=0
Równanie nie ma rozwiązania
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