7b-8b=-2

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Solution for 7b-8b=-2 equation: 


Simplifying
7b + -8b = -2

Combine like terms: 7b + -8b = -1b
-1b = -2

Solving
-1b = -2

Solving for variable 'b'.

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

Divide each side by '-1'.
b = 2

Simplifying
b = 2

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