-1a+54=5+13.89

Solution for -1a+54=5+13.89 equation:

Simplifying
-1a + 54 = 5 + 13.89

Reorder the terms:
54 + -1a = 5 + 13.89

Combine like terms: 5 + 13.89 = 18.89
54 + -1a = 18.89

Solving
54 + -1a = 18.89

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-54' to each side of the equation.
54 + -54 + -1a = 18.89 + -54

Combine like terms: 54 + -54 = 0
0 + -1a = 18.89 + -54
-1a = 18.89 + -54

Combine like terms: 18.89 + -54 = -35.11
-1a = -35.11

Divide each side by '-1'.
a = 35.11

Simplifying
a = 35.11