10n-21=69

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Solution for 10n-21=69 equation: 


Simplifying
10n + -21 = 69

Reorder the terms:
-21 + 10n = 69

Solving
-21 + 10n = 69

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 + 10n = 69 + 21

Combine like terms: -21 + 21 = 0
0 + 10n = 69 + 21
10n = 69 + 21

Combine like terms: 69 + 21 = 90
10n = 90

Divide each side by '10'.
n = 9

Simplifying
n = 9

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