3n-9n=42

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Solution for 3n-9n=42 equation: 


Simplifying
3n + -9n = 42

Combine like terms: 3n + -9n = -6n
-6n = 42

Solving
-6n = 42

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Divide each side by '-6'.
n = -7

Simplifying
n = -7

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