6n-21=9

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Solution for 6n-21=9 equation:


Simplifying
6n + -21 = 9

Reorder the terms:
-21 + 6n = 9

Solving
-21 + 6n = 9

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 + 6n = 9 + 21

Combine like terms: -21 + 21 = 0
0 + 6n = 9 + 21
6n = 9 + 21

Combine like terms: 9 + 21 = 30
6n = 30

Divide each side by '6'.
n = 5

Simplifying
n = 5

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