45=2(pi)*r

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Solution for 45=2(pi)*r equation:


Simplifying
45 = 2(pi) * r

Multiply ip * r
45 = 2ipr

Solving
45 = 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.
45 + -2ipr = 2ipr + -2ipr

Combine like terms: 2ipr + -2ipr = 0
45 + -2ipr = 0

Add '-45' to each side of the equation.
45 + -45 + -2ipr = 0 + -45

Combine like terms: 45 + -45 = 0
0 + -2ipr = 0 + -45
-2ipr = 0 + -45

Combine like terms: 0 + -45 = -45
-2ipr = -45

Divide each side by '-2pr'.
i = 22.5p-1r-1

Simplifying
i = 22.5p-1r-1

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