3n-15=n-1

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


Simplifying
3n + -15 = n + -1

Reorder the terms:
-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 = 2n
-15 + 2n = -1 + n + -1n

Combine like terms: n + -1n = 0
-15 + 2n = -1 + 0
-15 + 2n = -1

Add '15' to each side of the equation.
-15 + 15 + 2n = -1 + 15

Combine like terms: -15 + 15 = 0
0 + 2n = -1 + 15
2n = -1 + 15

Combine like terms: -1 + 15 = 14
2n = 14

Divide each side by '2'.
n = 7

Simplifying
n = 7

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