57200=(a*0.8)

Solution for 57200=(a*0.8) equation:

Simplifying
57200 = (a * 0.8)

Reorder the terms for easier multiplication:
57200 = (0.8a)

Solving
57200 = (0.8a)

Solving for variable 'a'.

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

Add '(-0.8a)' to each side of the equation.
57200 + (-0.8a) = (0.8a) + (-0.8a)

Combine like terms: (0.8a) + (-0.8a) = 0.0
57200 + (-0.8a) = 0.0

Add '-57200' to each side of the equation.
57200 + -57200 + (-0.8a) = 0.0 + -57200

Combine like terms: 57200 + -57200 = 0
0 + (-0.8a) = 0.0 + -57200
(-0.8a) = 0.0 + -57200

Combine like terms: 0.0 + -57200 = -57200
(-0.8a) = -57200

Divide each side by '-0.8'.
a = 71500

Simplifying
a = 71500