8+1=20-11

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Solution for 8+1=20-11 equation: 


Simplifying
8 + 1 = 20 + -11

Combine like terms: 8 + 1 = 9
9 = 20 + -11

Combine like terms: 20 + -11 = 9
9 = 9

Add '-9' to each side of the equation.
9 + -9 = 9 + -9

Combine like terms: 9 + -9 = 0
0 = 9 + -9

Combine like terms: 9 + -9 = 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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