-9b-81=54

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Solution for -9b-81=54 equation: 


Simplifying
-9b + -81 = 54

Reorder the terms:
-81 + -9b = 54

Solving
-81 + -9b = 54

Solving for variable 'b'.

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

Add '81' to each side of the equation.
-81 + 81 + -9b = 54 + 81

Combine like terms: -81 + 81 = 0
0 + -9b = 54 + 81
-9b = 54 + 81

Combine like terms: 54 + 81 = 135
-9b = 135

Divide each side by '-9'.
b = -15

Simplifying
b = -15

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