-33.5=a-19.72

Solution for -33.5=a-19.72 equation:

Simplifying
-33.5 = a + -19.72

Reorder the terms:
-33.5 = -19.72 + a

Solving
-33.5 = -19.72 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-33.5 + -1a = -19.72 + a + -1a

Combine like terms: a + -1a = 0
-33.5 + -1a = -19.72 + 0
-33.5 + -1a = -19.72

Add '33.5' to each side of the equation.
-33.5 + 33.5 + -1a = -19.72 + 33.5

Combine like terms: -33.5 + 33.5 = 0.0
0.0 + -1a = -19.72 + 33.5
-1a = -19.72 + 33.5

Combine like terms: -19.72 + 33.5 = 13.78
-1a = 13.78

Divide each side by '-1'.
a = -13.78

Simplifying
a = -13.78