9b-8b=-30

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Solution for 9b-8b=-30 equation: 


Simplifying
9b + -8b = -30

Combine like terms: 9b + -8b = 1b
1b = -30

Solving
1b = -30

Solving for variable 'b'.

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

Divide each side by '1'.
b = -30

Simplifying
b = -30

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