2b+9=-11

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Solution for 2b+9=-11 equation:


2b+9=-11

We simplify the equation to the form, which is simple to understand 
2b+9=-11

We move all terms containing b to the left and all other terms to the right. 
+2b=-11-9

We simplify left and right side of the equation. 
+2b=-20

We divide both sides of the equation by 2 to get b. 
b=-10

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