21.3=3.14(2n)

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Solution for 21.3=3.14(2n) equation: 


Simplifying
21.3 = 3.14(2n)

Remove parenthesis around (2n)
21.3 = 3.14 * 2n

Multiply 3.14 * 2
21.3 = 6.28n

Solving
21.3 = 6.28n

Solving for variable 'n'.

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

Add '-6.28n' to each side of the equation.
21.3 + -6.28n = 6.28n + -6.28n

Combine like terms: 6.28n + -6.28n = 0.00
21.3 + -6.28n = 0.00

Add '-21.3' to each side of the equation.
21.3 + -21.3 + -6.28n = 0.00 + -21.3

Combine like terms: 21.3 + -21.3 = 0.0
0.0 + -6.28n = 0.00 + -21.3
-6.28n = 0.00 + -21.3

Combine like terms: 0.00 + -21.3 = -21.3
-6.28n = -21.3

Divide each side by '-6.28'.
n = 3.391719745

Simplifying
n = 3.391719745

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