188.4=3.14*D

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Solution for 188.4=3.14*D equation: 


Simplifying
188.4 = 3.14D

Solving
188.4 = 3.14D

Solving for variable 'D'.

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

Add '-3.14D' to each side of the equation.
188.4 + -3.14D = 3.14D + -3.14D

Combine like terms: 3.14D + -3.14D = 0.00
188.4 + -3.14D = 0.00

Add '-188.4' to each side of the equation.
188.4 + -188.4 + -3.14D = 0.00 + -188.4

Combine like terms: 188.4 + -188.4 = 0.0
0.0 + -3.14D = 0.00 + -188.4
-3.14D = 0.00 + -188.4

Combine like terms: 0.00 + -188.4 = -188.4
-3.14D = -188.4

Divide each side by '-3.14'.
D = 60

Simplifying
D = 60

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