8b=7b-9

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Solution for 8b=7b-9 equation: 


Simplifying
8b = 7b + -9

Reorder the terms:
8b = -9 + 7b

Solving
8b = -9 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
8b + -7b = -9 + 7b + -7b

Combine like terms: 8b + -7b = 1b
1b = -9 + 7b + -7b

Combine like terms: 7b + -7b = 0
1b = -9 + 0
1b = -9

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

Simplifying
b = -9

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