=n-4-9

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Solution for =n-4-9 equation: 


Simplifying
0 = n + -4 + -9

Reorder the terms:
0 = -4 + -9 + n

Combine like terms: -4 + -9 = -13
0 = -13 + n

Solving
0 = -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.
0 + -1n = -13 + n + -1n
Remove the zero:
-1n = -13 + n + -1n

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

Divide each side by '-1'.
n = 13

Simplifying
n = 13

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