-3n-6n=-9n

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


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

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