2(20+X)=56

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Solution for 2(20+X)=56 equation: 


Simplifying
2(20 + X) = 56
(20 * 2 + X * 2) = 56
(40 + 2X) = 56

Solving
40 + 2X = 56

Solving for variable 'X'.

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

Add '-40' to each side of the equation.
40 + -40 + 2X = 56 + -40

Combine like terms: 40 + -40 = 0
0 + 2X = 56 + -40
2X = 56 + -40

Combine like terms: 56 + -40 = 16
2X = 16

Divide each side by '2'.
X = 8

Simplifying
X = 8

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