3b-9b=30

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Solution for 3b-9b=30 equation: 


Simplifying
3b + -9b = 30

Combine like terms: 3b + -9b = -6b
-6b = 30

Solving
-6b = 30

Solving for variable 'b'.

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

Divide each side by '-6'.
b = -5

Simplifying
b = -5

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