2(3.14r)=157

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Solution for 2(3.14r)=157 equation: 


Simplifying
2(3.14r) = 157

Remove parenthesis around (3.14r)
2 * 3.14r = 157

Multiply 2 * 3.14
6.28r = 157

Solving
6.28r = 157

Solving for variable 'r'.

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

Divide each side by '6.28'.
r = 25

Simplifying
r = 25

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