72=-3b

Solution for 72=-3b equation:

Simplifying
72 = -3b

Solving
72 = -3b

Solving for variable 'b'.

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

Add '3b' to each side of the equation.
72 + 3b = -3b + 3b

Combine like terms: -3b + 3b = 0
72 + 3b = 0

Add '-72' to each side of the equation.
72 + -72 + 3b = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 3b = 0 + -72
3b = 0 + -72

Combine like terms: 0 + -72 = -72
3b = -72

Divide each side by '3'.
b = -24

Simplifying
b = -24