(-20+2S)+20=2S

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Solution for (-20+2S)+20=2S equation: 


Simplifying
(-20 + 2S) + 20 = 2S

Remove parenthesis around (-20 + 2S)
-20 + 2S + 20 = 2S

Reorder the terms:
-20 + 20 + 2S = 2S

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

Add '-2S' to each side of the equation.
2S + -2S = 2S + -2S

Combine like terms: 2S + -2S = 0
0 = 2S + -2S

Combine like terms: 2S + -2S = 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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