9n-21=24

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Solution for 9n-21=24 equation: 


Simplifying
9n + -21 = 24

Reorder the terms:
-21 + 9n = 24

Solving
-21 + 9n = 24

Solving for variable 'n'.

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

Add '21' to each side of the equation.
-21 + 21 + 9n = 24 + 21

Combine like terms: -21 + 21 = 0
0 + 9n = 24 + 21
9n = 24 + 21

Combine like terms: 24 + 21 = 45
9n = 45

Divide each side by '9'.
n = 5

Simplifying
n = 5

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