Question

Si: P(7x - 3) = 7x
( 2 )
calcula P(5)

Answer 1

P(7x - 3) = 7x( 2 )

calcula P(5)

7x-3 = 5
7x = 8
x= 8/7

Reemplazamos

P(5)=7x( 2 )
P(5)= 7(8/7)(2)
P(5)= 16