9n-5-3n=25

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Solution for 9n-5-3n=25 equation: 


Simplifying
9n + -5 + -3n = 25

Reorder the terms:
-5 + 9n + -3n = 25

Combine like terms: 9n + -3n = 6n
-5 + 6n = 25

Solving
-5 + 6n = 25

Solving for variable 'n'.

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

Add '5' to each side of the equation.
-5 + 5 + 6n = 25 + 5

Combine like terms: -5 + 5 = 0
0 + 6n = 25 + 5
6n = 25 + 5

Combine like terms: 25 + 5 = 30
6n = 30

Divide each side by '6'.
n = 5

Simplifying
n = 5

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