12+8-20=

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Solution for 12+8-20= equation: 


Simplifying
12 + 8 + -20 = 0

Combine like terms: 12 + 8 = 20
20 + -20 = 0

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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