4-5=n

Solution for 4-5=n equation:

Simplifying
4 + -5 = n

Combine like terms: 4 + -5 = -1
-1 = n

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

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

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

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

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

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

Simplifying
n = -1