7b-9b=8

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Solution for 7b-9b=8 equation: 


Simplifying
7b + -9b = 8

Combine like terms: 7b + -9b = -2b
-2b = 8

Solving
-2b = 8

Solving for variable 'b'.

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

Divide each side by '-2'.
b = -4

Simplifying
b = -4

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