99=3.3a

Solution for 99=3.3a equation:

Simplifying
99 = 3.3a

Solving
99 = 3.3a

Solving for variable 'a'.

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

Add '-3.3a' to each side of the equation.
99 + -3.3a = 3.3a + -3.3a

Combine like terms: 3.3a + -3.3a = 0.0
99 + -3.3a = 0.0

Add '-99' to each side of the equation.
99 + -99 + -3.3a = 0.0 + -99

Combine like terms: 99 + -99 = 0
0 + -3.3a = 0.0 + -99
-3.3a = 0.0 + -99

Combine like terms: 0.0 + -99 = -99
-3.3a = -99

Divide each side by '-3.3'.
a = 30

Simplifying
a = 30