3n+15-6=3n+9

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Solution for 3n+15-6=3n+9 equation:


Simplifying
3n + 15 + -6 = 3n + 9

Reorder the terms:
15 + -6 + 3n = 3n + 9

Combine like terms: 15 + -6 = 9
9 + 3n = 3n + 9

Reorder the terms:
9 + 3n = 9 + 3n

Add '-9' to each side of the equation.
9 + -9 + 3n = 9 + -9 + 3n

Combine like terms: 9 + -9 = 0
0 + 3n = 9 + -9 + 3n
3n = 9 + -9 + 3n

Combine like terms: 9 + -9 = 0
3n = 0 + 3n
3n = 3n

Add '-3n' to each side of the equation.
3n + -3n = 3n + -3n

Combine like terms: 3n + -3n = 0
0 = 3n + -3n

Combine like terms: 3n + -3n = 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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