Question

Let the operations ∆ and □ be defined for all real numbers a and b as follows: a ∆ b =a +3 b
a □b =a +4 b If 4 ∆ (5y) = (5y) □ 4 , what is the value of y?

Answer 1

Hey I think i answered this when it was in the OS Feedback group :\

Answer 2

yeah but the moderator closed the question