9+10n=21

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Solution for 9+10n=21 equation: 


Simplifying
9 + 10n = 21

Solving
9 + 10n = 21

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 + 10n = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 10n = 21 + -9
10n = 21 + -9

Combine like terms: 21 + -9 = 12
10n = 12

Divide each side by '10'.
n = 1.2

Simplifying
n = 1.2

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