20=(x+1)+(x+1)+x

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Solution for 20=(x+1)+(x+1)+x equation: 


Simplifying
20 = (x + 1) + (x + 1) + x

Reorder the terms:
20 = (1 + x) + (x + 1) + x

Remove parenthesis around (1 + x)
20 = 1 + x + (x + 1) + x

Reorder the terms:
20 = 1 + x + (1 + x) + x

Remove parenthesis around (1 + x)
20 = 1 + x + 1 + x + x

Reorder the terms:
20 = 1 + 1 + x + x + x

Combine like terms: 1 + 1 = 2
20 = 2 + x + x + x

Combine like terms: x + x = 2x
20 = 2 + 2x + x

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

Solving
20 = 2 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
20 + -3x = 2 + 3x + -3x

Combine like terms: 3x + -3x = 0
20 + -3x = 2 + 0
20 + -3x = 2

Add '-20' to each side of the equation.
20 + -20 + -3x = 2 + -20

Combine like terms: 20 + -20 = 0
0 + -3x = 2 + -20
-3x = 2 + -20

Combine like terms: 2 + -20 = -18
-3x = -18

Divide each side by '-3'.
x = 6

Simplifying
x = 6

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