(5+6)+9=5+(6+9)

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Solution for (5+6)+9=5+(6+9) equation: 


Simplifying
(5 + 6) + 9 = 5 + (6 + 9)

Combine like terms: 5 + 6 = 11
(11) + 9 = 5 + (6 + 9)
11 + 9 = 5 + (6 + 9)

Combine like terms: 11 + 9 = 20
20 = 5 + (6 + 9)

Combine like terms: 6 + 9 = 15
20 = 5 + (15)
20 = 5 + 15

Combine like terms: 5 + 15 = 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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