x+(20-x)=20

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


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

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

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

Combine like terms: x + -1x = 0
20 + 0 = 20
20 = 20

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

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

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

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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