(X+3)*2=81

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Solution for (X+3)*2=81 equation:


Simplifying
(X + 3) * 2 = 81

Reorder the terms:
(3 + X) * 2 = 81

Reorder the terms for easier multiplication:
2(3 + X) = 81
(3 * 2 + X * 2) = 81
(6 + 2X) = 81

Solving
6 + 2X = 81

Solving for variable 'X'.

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

Add '-6' to each side of the equation.
6 + -6 + 2X = 81 + -6

Combine like terms: 6 + -6 = 0
0 + 2X = 81 + -6
2X = 81 + -6

Combine like terms: 81 + -6 = 75
2X = 75

Divide each side by '2'.
X = 37.5

Simplifying
X = 37.5

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