78=9/3(3.14)r^2

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Solution for 78=9/3(3.14)r^2 equation: 



78=9/3(3.14)r^2

We move all terms to the left:

78-(9/3(3.14)r^2)=0



Domain of the equation: 3(3.14)r^2)!=0

r∈R



We multiply all the terms by the denominator


-(9+78*3(3.14)r^2)=0



We calculate terms in parentheses: -(9+78*3(3.14)r^2), so:

9+78*3(3.14)r^2

determiningTheFunctionDomain
78*3(3.14)r^2+9

Wy multiply elements

234r(3+9

Back to the equation:

-(234r(3+9)



We add all the numbers together, and all the variables

-(234r12=0

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