4.75-90=n

Solution for 4.75-90=n equation:

Simplifying
4.75 + -90 = n

Combine like terms: 4.75 + -90 = -85.25
-85.25 = n

Solving
-85.25 = 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.
-85.25 + -1n = n + -1n

Combine like terms: n + -1n = 0
-85.25 + -1n = 0

Add '85.25' to each side of the equation.
-85.25 + 85.25 + -1n = 0 + 85.25

Combine like terms: -85.25 + 85.25 = 0.00
0.00 + -1n = 0 + 85.25
-1n = 0 + 85.25

Combine like terms: 0 + 85.25 = 85.25
-1n = 85.25

Divide each side by '-1'.
n = -85.25

Simplifying
n = -85.25