6=3.5+n

Solution for 6=3.5+n equation:

Simplifying
6 = 3.5 + n

Solving
6 = 3.5 + 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.
6 + -1n = 3.5 + n + -1n

Combine like terms: n + -1n = 0
6 + -1n = 3.5 + 0
6 + -1n = 3.5

Add '-6' to each side of the equation.
6 + -6 + -1n = 3.5 + -6

Combine like terms: 6 + -6 = 0
0 + -1n = 3.5 + -6
-1n = 3.5 + -6

Combine like terms: 3.5 + -6 = -2.5
-1n = -2.5

Divide each side by '-1'.
n = 2.5

Simplifying
n = 2.5