72.2=3.14r

Solution for 72.2=3.14r equation:

Simplifying
72.2 = 3.14r

Solving
72.2 = 3.14r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-3.14r' to each side of the equation.
72.2 + -3.14r = 3.14r + -3.14r

Combine like terms: 3.14r + -3.14r = 0.00
72.2 + -3.14r = 0.00

Add '-72.2' to each side of the equation.
72.2 + -72.2 + -3.14r = 0.00 + -72.2

Combine like terms: 72.2 + -72.2 = 0.0
0.0 + -3.14r = 0.00 + -72.2
-3.14r = 0.00 + -72.2

Combine like terms: 0.00 + -72.2 = -72.2
-3.14r = -72.2

Divide each side by '-3.14'.
r = 22.99363057

Simplifying
r = 22.99363057