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5.1/2r+2/3r=37
We move all terms to the left:
5.1/2r+2/3r-(37)=0
Domain of the equation: 2r!=0
r!=0/2
r!=0
r∈R
Domain of the equation: 3r!=0We calculate fractions
r!=0/3
r!=0
r∈R
(5.1*3r)/6r^2+4r/6r^2-37=0
We add all the numbers together, and all the variables
(+5.1*3r)/6r^2+4r/6r^2-37=0
We multiply all the terms by the denominator
(+5.1*3r)+4r-37*6r^2=0
We add all the numbers together, and all the variables
4r+(+5.1*3r)-37*6r^2=0
Wy multiply elements
-222r^2+4r+(+5.1*3r)=0
We get rid of parentheses
-222r^2+4r+5.1*3r=0
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