2(10+2X)=66

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Solution for 2(10+2X)=66 equation: 


Simplifying
2(10 + 2X) = 66
(10 * 2 + 2X * 2) = 66
(20 + 4X) = 66

Solving
20 + 4X = 66

Solving for variable 'X'.

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

Add '-20' to each side of the equation.
20 + -20 + 4X = 66 + -20

Combine like terms: 20 + -20 = 0
0 + 4X = 66 + -20
4X = 66 + -20

Combine like terms: 66 + -20 = 46
4X = 46

Divide each side by '4'.
X = 11.5

Simplifying
X = 11.5

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