If \(A\ \clubsuit\ B\) is defined as \(A\ \clubsuit\ B = 3A + 2B + 5\) , what is the value of a for which \(A\ \clubsuit\ 4 = 58\)?
Let's just plug this inn.
3A + 2(4) + 5 = 58
3A + 13 = 58
3A = 45
A = 15
=^._.^=