9n+4=9n+4

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Solution for 9n+4=9n+4 equation: 


Simplifying
9n + 4 = 9n + 4

Reorder the terms:
4 + 9n = 9n + 4

Reorder the terms:
4 + 9n = 4 + 9n

Add '-4' to each side of the equation.
4 + -4 + 9n = 4 + -4 + 9n

Combine like terms: 4 + -4 = 0
0 + 9n = 4 + -4 + 9n
9n = 4 + -4 + 9n

Combine like terms: 4 + -4 = 0
9n = 0 + 9n
9n = 9n

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

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

Combine like terms: 9n + -9n = 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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