-31=n-13

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Solution for -31=n-13 equation:


Simplifying
-31 = n + -13

Reorder the terms:
-31 = -13 + n

Solving
-31 = -13 + 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.
-31 + -1n = -13 + n + -1n

Combine like terms: n + -1n = 0
-31 + -1n = -13 + 0
-31 + -1n = -13

Add '31' to each side of the equation.
-31 + 31 + -1n = -13 + 31

Combine like terms: -31 + 31 = 0
0 + -1n = -13 + 31
-1n = -13 + 31

Combine like terms: -13 + 31 = 18
-1n = 18

Divide each side by '-1'.
n = -18

Simplifying
n = -18

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