3(b+7)=

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Solution for 3(b+7)= equation:


3(b+7)=0

We simplify the equation to the form, which is simple to understand 
3(b+7)=0

Reorder the terms in parentheses
+(+3b+21)=0

Remove unnecessary parentheses
+3b+21=0

We move all terms containing b to the left and all other terms to the right. 
+3b=0-21

We simplify left and right side of the equation. 
+3b=-21

We divide both sides of the equation by 3 to get b. 
b=-7

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