8b-15=-31

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Solution for 8b-15=-31 equation: 


Simplifying
8b + -15 = -31

Reorder the terms:
-15 + 8b = -31

Solving
-15 + 8b = -31

Solving for variable 'b'.

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

Add '15' to each side of the equation.
-15 + 15 + 8b = -31 + 15

Combine like terms: -15 + 15 = 0
0 + 8b = -31 + 15
8b = -31 + 15

Combine like terms: -31 + 15 = -16
8b = -16

Divide each side by '8'.
b = -2

Simplifying
b = -2

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