2(X+4)+1=20

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Solution for 2(X+4)+1=20 equation:


Simplifying
2(X + 4) + 1 = 20

Reorder the terms:
2(4 + X) + 1 = 20
(4 * 2 + X * 2) + 1 = 20
(8 + 2X) + 1 = 20

Reorder the terms:
8 + 1 + 2X = 20

Combine like terms: 8 + 1 = 9
9 + 2X = 20

Solving
9 + 2X = 20

Solving for variable 'X'.

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

Add '-9' to each side of the equation.
9 + -9 + 2X = 20 + -9

Combine like terms: 9 + -9 = 0
0 + 2X = 20 + -9
2X = 20 + -9

Combine like terms: 20 + -9 = 11
2X = 11

Divide each side by '2'.
X = 5.5

Simplifying
X = 5.5

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