3n-15=-31+n

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Solution for 3n-15=-31+n equation:


Simplifying
3n + -15 = -31 + n

Reorder the terms:
-15 + 3n = -31 + n

Solving
-15 + 3n = -31 + 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 = -31 + n + -1n

Combine like terms: 3n + -1n = 2n
-15 + 2n = -31 + n + -1n

Combine like terms: n + -1n = 0
-15 + 2n = -31 + 0
-15 + 2n = -31

Add '15' to each side of the equation.
-15 + 15 + 2n = -31 + 15

Combine like terms: -15 + 15 = 0
0 + 2n = -31 + 15
2n = -31 + 15

Combine like terms: -31 + 15 = -16
2n = -16

Divide each side by '2'.
n = -8

Simplifying
n = -8

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