9-n=13

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Solution for 9-n=13 equation: 


Simplifying
9 + -1n = 13

Solving
9 + -1n = 13

Solving for variable 'n'.

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

Add '-9' to each side of the equation.
9 + -9 + -1n = 13 + -9

Combine like terms: 9 + -9 = 0
0 + -1n = 13 + -9
-1n = 13 + -9

Combine like terms: 13 + -9 = 4
-1n = 4

Divide each side by '-1'.
n = -4

Simplifying
n = -4

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