-9b=-15b-120

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Solution for -9b=-15b-120 equation: 


Simplifying
-9b = -15b + -120

Reorder the terms:
-9b = -120 + -15b

Solving
-9b = -120 + -15b

Solving for variable 'b'.

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

Add '15b' to each side of the equation.
-9b + 15b = -120 + -15b + 15b

Combine like terms: -9b + 15b = 6b
6b = -120 + -15b + 15b

Combine like terms: -15b + 15b = 0
6b = -120 + 0
6b = -120

Divide each side by '6'.
b = -20

Simplifying
b = -20

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