15-n=3n

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Solution for 15-n=3n equation:


Simplifying
15 + -1n = 3n

Solving
15 + -1n = 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
15 + -1n + -3n = 3n + -3n

Combine like terms: -1n + -3n = -4n
15 + -4n = 3n + -3n

Combine like terms: 3n + -3n = 0
15 + -4n = 0

Add '-15' to each side of the equation.
15 + -15 + -4n = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -4n = 0 + -15
-4n = 0 + -15

Combine like terms: 0 + -15 = -15
-4n = -15

Divide each side by '-4'.
n = 3.75

Simplifying
n = 3.75

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