SOLUTION: I dont know how to solve this: 3/A - 4/B = 8/C Solving for B Lcd should be abc if im not mistaken. I get so far as 3bc - 4ac = 8ab. But then haven't a clue what to do... Am i d

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Question 806270: I dont know how to solve this: 3/A - 4/B = 8/C
Solving for B
Lcd should be abc if im not mistaken.
I get so far as 3bc - 4ac = 8ab. But then haven't a clue what to do...
Am i doing it wrong?
Found 2 solutions by richwmiller, solver91311:
Answer by richwmiller(17219)   (Show Source): You can put this solution on YOUR website!
bring the b 's to one side
3bc - 4ac = 8ab
3bc-8ab=4ac
b(3c-8a)=4ac
b=(4ac)/(3c-8a)
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Step 1: Swear on the life of your first born that you will never again treat an upper case letter and a lower case letter as the same variable. A is not A, b is not B, and c is not C.

Step 2: Isolate the term with the in it:



Apply the LCD of to the LHS only:



Take the reciprocal of both sides and multiply by 4



John

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