89=n+4

Solution for 89=n+4 equation:

Simplifying
89 = n + 4

Reorder the terms:
89 = 4 + n

Solving
89 = 4 + 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.
89 + -1n = 4 + n + -1n

Combine like terms: n + -1n = 0
89 + -1n = 4 + 0
89 + -1n = 4

Add '-89' to each side of the equation.
89 + -89 + -1n = 4 + -89

Combine like terms: 89 + -89 = 0
0 + -1n = 4 + -89
-1n = 4 + -89

Combine like terms: 4 + -89 = -85
-1n = -85

Divide each side by '-1'.
n = 85

Simplifying
n = 85