72=4.5b

Solution for 72=4.5b equation:

Simplifying
72 = 4.5b

Solving
72 = 4.5b

Solving for variable 'b'.

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

Add '-4.5b' to each side of the equation.
72 + -4.5b = 4.5b + -4.5b

Combine like terms: 4.5b + -4.5b = 0.0
72 + -4.5b = 0.0

Add '-72' to each side of the equation.
72 + -72 + -4.5b = 0.0 + -72

Combine like terms: 72 + -72 = 0
0 + -4.5b = 0.0 + -72
-4.5b = 0.0 + -72

Combine like terms: 0.0 + -72 = -72
-4.5b = -72

Divide each side by '-4.5'.
b = 16

Simplifying
b = 16