-4b-5b=45

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Solution for -4b-5b=45 equation: 


Simplifying
-4b + -5b = 45

Combine like terms: -4b + -5b = -9b
-9b = 45

Solving
-9b = 45

Solving for variable 'b'.

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

Divide each side by '-9'.
b = -5

Simplifying
b = -5

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