SOLUTION: I have a finance stock account margin problem where algebra is needed. The equation that needs to be solved comes out as follows: {{{(100p-4000)/100p=.3}}} I have to solve for

Question 26949: I have a finance stock account margin problem where algebra is needed. The equation that needs to be solved comes out as follows:

I have to solve for p, which is the price at which the maintenance margin call will have to be made by the broker. I have tried everything I can think of and can't solve this. Help would be much appreciated, thank you.
Answer by mbarugel(146) (Show Source): You can put this solution on YOUR website!
First, multiply both sides by 100p, obtaining:

Subtract from both sides and add to both sides:

Take 100p as common factor

Finally, divide both sides by 70

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