3.14*(x+9)=81.64

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Solution for 3.14*(x+9)=81.64 equation: 


Simplifying
3.14(x + 9) = 81.64

Reorder the terms:
3.14(9 + x) = 81.64
(9 * 3.14 + x * 3.14) = 81.64
(28.26 + 3.14x) = 81.64

Solving
28.26 + 3.14x = 81.64

Solving for variable 'x'.

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

Add '-28.26' to each side of the equation.
28.26 + -28.26 + 3.14x = 81.64 + -28.26

Combine like terms: 28.26 + -28.26 = 0.00
0.00 + 3.14x = 81.64 + -28.26
3.14x = 81.64 + -28.26

Combine like terms: 81.64 + -28.26 = 53.38
3.14x = 53.38

Divide each side by '3.14'.
x = 17

Simplifying
x = 17

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