-3b-6b=9

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Solution for -3b-6b=9 equation: 


Simplifying
-3b + -6b = 9

Combine like terms: -3b + -6b = -9b
-9b = 9

Solving
-9b = 9

Solving for variable 'b'.

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

Divide each side by '-9'.
b = -1

Simplifying
b = -1

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