15-3n=n-1

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Solution for 15-3n=n-1 equation:


Simplifying
15 + -3n = n + -1

Reorder the terms:
15 + -3n = -1 + n

Solving
15 + -3n = -1 + n

Solving for variable 'n'.

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

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

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

Combine like terms: n + -1n = 0
15 + -4n = -1 + 0
15 + -4n = -1

Add '-15' to each side of the equation.
15 + -15 + -4n = -1 + -15

Combine like terms: 15 + -15 = 0
0 + -4n = -1 + -15
-4n = -1 + -15

Combine like terms: -1 + -15 = -16
-4n = -16

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

Simplifying
n = 4

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