9n-15=5n+5

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Solution for 9n-15=5n+5 equation: 


Simplifying
9n + -15 = 5n + 5

Reorder the terms:
-15 + 9n = 5n + 5

Reorder the terms:
-15 + 9n = 5 + 5n

Solving
-15 + 9n = 5 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
-15 + 9n + -5n = 5 + 5n + -5n

Combine like terms: 9n + -5n = 4n
-15 + 4n = 5 + 5n + -5n

Combine like terms: 5n + -5n = 0
-15 + 4n = 5 + 0
-15 + 4n = 5

Add '15' to each side of the equation.
-15 + 15 + 4n = 5 + 15

Combine like terms: -15 + 15 = 0
0 + 4n = 5 + 15
4n = 5 + 15

Combine like terms: 5 + 15 = 20
4n = 20

Divide each side by '4'.
n = 5

Simplifying
n = 5

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