5=2(pi)r

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Solution for 5=2(pi)r equation:


Simplifying
5 = 2(pi) * r

Multiply ip * r
5 = 2ipr

Solving
5 = 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.
5 + -2ipr = 2ipr + -2ipr

Combine like terms: 2ipr + -2ipr = 0
5 + -2ipr = 0

Add '-5' to each side of the equation.
5 + -5 + -2ipr = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -2ipr = 0 + -5
-2ipr = 0 + -5

Combine like terms: 0 + -5 = -5
-2ipr = -5

Divide each side by '-2pr'.
i = 2.5p-1r-1

Simplifying
i = 2.5p-1r-1

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