-9+n-4=7

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Solution for -9+n-4=7 equation: 


Simplifying
-9 + n + -4 = 7

Reorder the terms:
-9 + -4 + n = 7

Combine like terms: -9 + -4 = -13
-13 + n = 7

Solving
-13 + n = 7

Solving for variable 'n'.

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

Add '13' to each side of the equation.
-13 + 13 + n = 7 + 13

Combine like terms: -13 + 13 = 0
0 + n = 7 + 13
n = 7 + 13

Combine like terms: 7 + 13 = 20
n = 20

Simplifying
n = 20

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