b+21=-8

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Solution for b+21=-8 equation:


b+21=-8

We simplify the equation to the form, which is simple to understand 
b+21=-8

We move all terms containing b to the left and all other terms to the right. 
+1b=-8-21

We simplify left and right side of the equation. 
+1b=-29

We divide both sides of the equation by 1 to get b. 
b=-29

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