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Let the operations $ and @ be defined for all real numbers a and b as follows
($ and @ are replacements for a triangle and box which i dont no how to do)
a $ b = a + 3b
a @ b = a + 4b
If 4 $ (5y) = (5y) @ 4, what is the value of y?
answer: 6/5 or 1.2
this is the only problem giving me a real hard time i dnt no y (diff = med)...i just dont no where to begin...
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