2/5r+4/5=4

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Solution for 2/5r+4/5=4 equation: 



2/5r+4/5=4

We move all terms to the left:

2/5r+4/5-(4)=0



Domain of the equation: 5r!=0

r!=0/5

r!=0

r∈R



determiningTheFunctionDomain
2/5r-4+4/5=0

We calculate fractions


-4!=0

There is no solution for this equation

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