6=2(pi)r

Solution for 6=2(pi)r equation:

Simplifying
6 = 2(pi) * r

Multiply ip * r
6 = 2ipr

Solving
6 = 2ipr

Solving for variable 'i'.

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

Add '-2ipr' to each side of the equation.
6 + -2ipr = 2ipr + -2ipr

Combine like terms: 2ipr + -2ipr = 0
6 + -2ipr = 0

Add '-6' to each side of the equation.
6 + -6 + -2ipr = 0 + -6

Combine like terms: 6 + -6 = 0
0 + -2ipr = 0 + -6
-2ipr = 0 + -6

Combine like terms: 0 + -6 = -6
-2ipr = -6

Divide each side by '-2pr'.
i = 3p-1r-1

Simplifying
i = 3p-1r-1