31.4=3.14*2*x

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Solution for 31.4=3.14*2*x equation: 


Simplifying
31.4 = 3.14 * 2x

Multiply 3.14 * 2
31.4 = 6.28x

Solving
31.4 = 6.28x

Solving for variable 'x'.

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

Add '-6.28x' to each side of the equation.
31.4 + -6.28x = 6.28x + -6.28x

Combine like terms: 6.28x + -6.28x = 0.00
31.4 + -6.28x = 0.00

Add '-31.4' to each side of the equation.
31.4 + -31.4 + -6.28x = 0.00 + -31.4

Combine like terms: 31.4 + -31.4 = 0.0
0.0 + -6.28x = 0.00 + -31.4
-6.28x = 0.00 + -31.4

Combine like terms: 0.00 + -31.4 = -31.4
-6.28x = -31.4

Divide each side by '-6.28'.
x = 5

Simplifying
x = 5

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