7n-9-n=

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Solution for 7n-9-n= equation: 


Simplifying
7n + -9 + -1n = 0

Reorder the terms:
-9 + 7n + -1n = 0

Combine like terms: 7n + -1n = 6n
-9 + 6n = 0

Solving
-9 + 6n = 0

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 + 6n = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 6n = 0 + 9
6n = 0 + 9

Combine like terms: 0 + 9 = 9
6n = 9

Divide each side by '6'.
n = 1.5

Simplifying
n = 1.5

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