10b+40(.90b)+30(.80b)=525

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Solution for 10b+40(.90b)+30(.80b)=525 equation:


10b+40 (.90b)+30 (.80b)=525

We simplify the equation to the form, which is simple to understand 
10b+40(.90b)+30(.80b)=525

We move all terms containing b to the left and all other terms to the right. 
+10bbb=+525-40-0-30-0

We simplify left and right side of the equation. 
+10b=+455

We divide both sides of the equation by 10 to get b. 
b=45.5

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