A=2*3.14*2*5+2*3.14*4

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Solution for A=2*3.14*2*5+2*3.14*4 equation: 


Simplifying
A = 2 * 3.14 * 2 * 5 + 2 * 3.14 * 4

Multiply 2 * 3.14
A = 6.28 * 2 * 5 + 2 * 3.14 * 4

Multiply 6.28 * 2
A = 12.56 * 5 + 2 * 3.14 * 4

Multiply 12.56 * 5
A = 62.8 + 2 * 3.14 * 4

Multiply 2 * 3.14
A = 62.8 + 6.28 * 4

Multiply 6.28 * 4
A = 62.8 + 25.12

Combine like terms: 62.8 + 25.12 = 87.92
A = 87.92

Solving
A = 87.92

Solving for variable 'A'.

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

Simplifying
A = 87.92

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