(X+1)+(x+3)+2x=20

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Solution for (X+1)+(x+3)+2x=20 equation:


Simplifying
(X + 1) + (x + 3) + 2x = 20

Reorder the terms:
(1 + X) + (x + 3) + 2x = 20

Remove parenthesis around (1 + X)
1 + X + (x + 3) + 2x = 20

Reorder the terms:
1 + X + (3 + x) + 2x = 20

Remove parenthesis around (3 + x)
1 + X + 3 + x + 2x = 20

Reorder the terms:
1 + 3 + X + x + 2x = 20

Combine like terms: 1 + 3 = 4
4 + X + x + 2x = 20

Combine like terms: x + 2x = 3x
4 + X + 3x = 20

Solving
4 + X + 3x = 20

Solving for variable 'X'.

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

Add '-4' to each side of the equation.
4 + X + -4 + 3x = 20 + -4

Reorder the terms:
4 + -4 + X + 3x = 20 + -4

Combine like terms: 4 + -4 = 0
0 + X + 3x = 20 + -4
X + 3x = 20 + -4

Combine like terms: 20 + -4 = 16
X + 3x = 16

Add '-3x' to each side of the equation.
X + 3x + -3x = 16 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = 16 + -3x
X = 16 + -3x

Simplifying
X = 16 + -3x

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