0=55.0+a(4.17)

Solution for 0=55.0+a(4.17) equation:

Simplifying
0 = 55.0 + a(4.17)

Reorder the terms for easier multiplication:
0 = 55.0 + 4.17a

Solving
0 = 55.0 + 4.17a

Solving for variable 'a'.

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

Add '-4.17a' to each side of the equation.
0 + -4.17a = 55.0 + 4.17a + -4.17a
Remove the zero:
-4.17a = 55.0 + 4.17a + -4.17a

Combine like terms: 4.17a + -4.17a = 0.00
-4.17a = 55.0 + 0.00
-4.17a = 55.0

Divide each side by '-4.17'.
a = -13.18944844

Simplifying
a = -13.18944844