3-99=n

Solution for 3-99=n equation:

Simplifying
3 + -99 = n

Combine like terms: 3 + -99 = -96
-96 = n

Solving
-96 = 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.
-96 + -1n = n + -1n

Combine like terms: n + -1n = 0
-96 + -1n = 0

Add '96' to each side of the equation.
-96 + 96 + -1n = 0 + 96

Combine like terms: -96 + 96 = 0
0 + -1n = 0 + 96
-1n = 0 + 96

Combine like terms: 0 + 96 = 96
-1n = 96

Divide each side by '-1'.
n = -96

Simplifying
n = -96