4n-9=15

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Solution for 4n-9=15 equation: 


Simplifying
4n + -9 = 15

Reorder the terms:
-9 + 4n = 15

Solving
-9 + 4n = 15

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 + 4n = 15 + 9

Combine like terms: -9 + 9 = 0
0 + 4n = 15 + 9
4n = 15 + 9

Combine like terms: 15 + 9 = 24
4n = 24

Divide each side by '4'.
n = 6

Simplifying
n = 6

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