n+3n=-18

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Solution for n+3n=-18 equation: 


Simplifying
n + 3n = -18

Combine like terms: n + 3n = 4n
4n = -18

Solving
4n = -18

Solving for variable 'n'.

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

Divide each side by '4'.
n = -4.5

Simplifying
n = -4.5

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