n-4+2=n+7-9

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Solution for n-4+2=n+7-9 equation: 


Simplifying
n + -4 + 2 = n + 7 + -9

Reorder the terms:
-4 + 2 + n = n + 7 + -9

Combine like terms: -4 + 2 = -2
-2 + n = n + 7 + -9

Reorder the terms:
-2 + n = 7 + -9 + n

Combine like terms: 7 + -9 = -2
-2 + n = -2 + n

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

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

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

Add '-1n' to each side of the equation.
n + -1n = n + -1n

Combine like terms: n + -1n = 0
0 = n + -1n

Combine like terms: n + -1n = 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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