4b-8b=12

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Solution for 4b-8b=12 equation: 


Simplifying
4b + -8b = 12

Combine like terms: 4b + -8b = -4b
-4b = 12

Solving
-4b = 12

Solving for variable 'b'.

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

Divide each side by '-4'.
b = -3

Simplifying
b = -3

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