3b-0.7b=12

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Solution for 3b-0.7b=12 equation: 


Simplifying
3b + -0.7b = 12

Combine like terms: 3b + -0.7b = 2.3b
2.3b = 12

Solving
2.3b = 12

Solving for variable 'b'.

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

Divide each side by '2.3'.
b = 5.217391304

Simplifying
b = 5.217391304

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