3b+(-b)=12

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Solution for 3b+(-b)=12 equation:


3b+(-b)=12

We simplify the equation to the form, which is simple to understand 
3b+(-b)=12

Remove unnecessary parentheses
+3b-b=+12

We move all terms containing b to the left and all other terms to the right. 
+3b-1b=+12

We simplify left and right side of the equation. 
+2b=+12

We divide both sides of the equation by 2 to get b. 
b=6

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