7b+9b-4b=

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Solution for 7b+9b-4b= equation:


7b+9b-4b=0

We simplify the equation to the form, which is simple to understand 
7b+9b-4b=0

We move all terms containing b to the left and all other terms to the right. 
+7b+9b-4b=0

We simplify left and right side of the equation. 
+12b=0

We divide both sides of the equation by 12 to get b. 
b=0

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