SOLUTION: I have been trying to figure this out. I couldn't do it the conventional way, but I did find the answer doing guess and check. Please help me find the right way to solve it. {{{ s

Question 76685: I have been trying to figure this out. I couldn't do it the conventional way, but I did find the answer doing guess and check. Please help me find the right way to solve it.
-= 2
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
I have been trying to figure this out. I couldn't do it the conventional way, but I did find the answer doing guess and check. Please help me find the right way to solve it.
-= 2

Check to make sure it's not extraneous:

It's valid:

Happy Calculating!!!!
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