1+n-4=9

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Solution for 1+n-4=9 equation: 


Simplifying
1 + n + -4 = 9

Reorder the terms:
1 + -4 + n = 9

Combine like terms: 1 + -4 = -3
-3 + n = 9

Solving
-3 + n = 9

Solving for variable 'n'.

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

Add '3' to each side of the equation.
-3 + 3 + n = 9 + 3

Combine like terms: -3 + 3 = 0
0 + n = 9 + 3
n = 9 + 3

Combine like terms: 9 + 3 = 12
n = 12

Simplifying
n = 12

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