9+7n-5n=

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Solution for 9+7n-5n= equation: 


Simplifying
9 + 7n + -5n = 0

Combine like terms: 7n + -5n = 2n
9 + 2n = 0

Solving
9 + 2n = 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 + 2n = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 2n = 0 + -9
2n = 0 + -9

Combine like terms: 0 + -9 = -9
2n = -9

Divide each side by '2'.
n = -4.5

Simplifying
n = -4.5

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