47.1=(3.14)*(x*2)

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Solution for 47.1=(3.14)*(x*2) equation:


Simplifying
47.1 = (3.14)(x * 2)

Reorder the terms for easier multiplication:
47.1 = 3.14(2x)

Remove parenthesis around (2x)
47.1 = 3.14 * 2x

Multiply 3.14 * 2
47.1 = 6.28x

Solving
47.1 = 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.
47.1 + -6.28x = 6.28x + -6.28x

Combine like terms: 6.28x + -6.28x = 0.00
47.1 + -6.28x = 0.00

Add '-47.1' to each side of the equation.
47.1 + -47.1 + -6.28x = 0.00 + -47.1

Combine like terms: 47.1 + -47.1 = 0.0
0.0 + -6.28x = 0.00 + -47.1
-6.28x = 0.00 + -47.1

Combine like terms: 0.00 + -47.1 = -47.1
-6.28x = -47.1

Divide each side by '-6.28'.
x = 7.5

Simplifying
x = 7.5

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