b-9=-12

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Solution for b-9=-12 equation:


b-9=-12

We simplify the equation to the form, which is simple to understand 
b-9=-12

We move all terms containing b to the left and all other terms to the right. 
+1b=-12+9

We simplify left and right side of the equation. 
+1b=-3

We divide both sides of the equation by 1 to get b. 
b=-3

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