72=-8b

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Solution for 72=-8b equation:


Simplifying
72 = -8b

Solving
72 = -8b

Solving for variable 'b'.

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

Add '8b' to each side of the equation.
72 + 8b = -8b + 8b

Combine like terms: -8b + 8b = 0
72 + 8b = 0

Add '-72' to each side of the equation.
72 + -72 + 8b = 0 + -72

Combine like terms: 72 + -72 = 0
0 + 8b = 0 + -72
8b = 0 + -72

Combine like terms: 0 + -72 = -72
8b = -72

Divide each side by '8'.
b = -9

Simplifying
b = -9

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