n+3n-18=0

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Solution for n+3n-18=0 equation:


Simplifying
n + 3n + -18 = 0

Reorder the terms:
-18 + n + 3n = 0

Combine like terms: n + 3n = 4n
-18 + 4n = 0

Solving
-18 + 4n = 0

Solving for variable 'n'.

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

Add '18' to each side of the equation.
-18 + 18 + 4n = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 4n = 0 + 18
4n = 0 + 18

Combine like terms: 0 + 18 = 18
4n = 18

Divide each side by '4'.
n = 4.5

Simplifying
n = 4.5

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