A=2(3.14)r(4)

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Solution for A=2(3.14)r(4) equation: 


Simplifying
A = 2(3.14) * r(4)

Reorder the terms for easier multiplication:
A = 2 * 3.14 * 4r

Multiply 2 * 3.14
A = 6.28 * 4r

Multiply 6.28 * 4
A = 25.12r

Solving
A = 25.12r

Solving for variable 'A'.

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

Simplifying
A = 25.12r

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