3n+7-4n-2=3n-4n+7-2

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Solution for 3n+7-4n-2=3n-4n+7-2 equation: 


Simplifying
3n + 7 + -4n + -2 = 3n + -4n + 7 + -2

Reorder the terms:
7 + -2 + 3n + -4n = 3n + -4n + 7 + -2

Combine like terms: 7 + -2 = 5
5 + 3n + -4n = 3n + -4n + 7 + -2

Combine like terms: 3n + -4n = -1n
5 + -1n = 3n + -4n + 7 + -2

Reorder the terms:
5 + -1n = 7 + -2 + 3n + -4n

Combine like terms: 7 + -2 = 5
5 + -1n = 5 + 3n + -4n

Combine like terms: 3n + -4n = -1n
5 + -1n = 5 + -1n

Add '-5' to each side of the equation.
5 + -5 + -1n = 5 + -5 + -1n

Combine like terms: 5 + -5 = 0
0 + -1n = 5 + -5 + -1n
-1n = 5 + -5 + -1n

Combine like terms: 5 + -5 = 0
-1n = 0 + -1n
-1n = -1n

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

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

Combine like terms: -1n + n = 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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