1.2=3n-n

Solution for 1.2=3n-n equation:

Simplifying
1.2 = 3n + -1n

Combine like terms: 3n + -1n = 2n
1.2 = 2n

Solving
1.2 = 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
1.2 + -2n = 2n + -2n

Combine like terms: 2n + -2n = 0
1.2 + -2n = 0

Add '-1.2' to each side of the equation.
1.2 + -1.2 + -2n = 0 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + -2n = 0 + -1.2
-2n = 0 + -1.2

Combine like terms: 0 + -1.2 = -1.2
-2n = -1.2

Divide each side by '-2'.
n = 0.6

Simplifying
n = 0.6