Question

Si: P($\frac{7x-3}{2}$) =7x Calcula: P(5)

Answer 1

(7x - 3) / 2 = 5
7x - 3 = 10
7x = 3 + 10
7x = 13
x = 13 / 7

P(5) = 7(13 / 7)

P(5) = 13