.3+9n=21

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Solution for .3+9n=21 equation: 


Simplifying
0.3 + 9n = 21

Solving
0.3 + 9n = 21

Solving for variable 'n'.

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

Add '-0.3' to each side of the equation.
0.3 + -0.3 + 9n = 21 + -0.3

Combine like terms: 0.3 + -0.3 = 0.0
0.0 + 9n = 21 + -0.3
9n = 21 + -0.3

Combine like terms: 21 + -0.3 = 20.7
9n = 20.7

Divide each side by '9'.
n = 2.3

Simplifying
n = 2.3

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