-9b=-8b-7

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Solution for -9b=-8b-7 equation: 


Simplifying
-9b = -8b + -7

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

Solving
-9b = -7 + -8b

Solving for variable 'b'.

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

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

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

Combine like terms: -8b + 8b = 0
-1b = -7 + 0
-1b = -7

Divide each side by '-1'.
b = 7

Simplifying
b = 7

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