(x-20)+x=20

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


Simplifying
(x + -20) + x = 20

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

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

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

Solving
-20 + 2x = 20

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 + 2x = 20 + 20

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

Combine like terms: 20 + 20 = 40
2x = 40

Divide each side by '2'.
x = 20

Simplifying
x = 20

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