0.9=n-0.3

Solution for 0.9=n-0.3 equation:

Simplifying
0.9 = n + -0.3

Reorder the terms:
0.9 = -0.3 + n

Solving
0.9 = -0.3 + n

Solving for variable 'n'.

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

Add '-1n' to each side of the equation.
0.9 + -1n = -0.3 + n + -1n

Combine like terms: n + -1n = 0
0.9 + -1n = -0.3 + 0
0.9 + -1n = -0.3

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -1n = -0.3 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -1n = -0.3 + -0.9
-1n = -0.3 + -0.9

Combine like terms: -0.3 + -0.9 = -1.2
-1n = -1.2

Divide each side by '-1'.
n = 1.2

Simplifying
n = 1.2