31-12b=211

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Solution for 31-12b=211 equation:


31-12b=211

We simplify the equation to the form, which is simple to understand 
31-12b=211

We move all terms containing b to the left and all other terms to the right. 
-12b=+211-31

We simplify left and right side of the equation. 
-12b=+180

We divide both sides of the equation by -12 to get b. 
b=-15

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