O(20)=2(20)-1

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Solution for O(20)=2(20)-1 equation: 


Simplifying
O(20) = 2(20) + -1

Reorder the terms for easier multiplication:
20O = 2(20) + -1

Multiply 2 * 20
20O = 40 + -1

Combine like terms: 40 + -1 = 39
20O = 39

Solving
20O = 39

Solving for variable 'O'.

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

Divide each side by '20'.
O = 1.95

Simplifying
O = 1.95

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