Question

P = 9r +3q

Work out the value of P when r = 6 and q = -4

P =

Answer 1

42

Explanation:

P=9r+3q

When q equals to a negative 4 and when r is aswell the number 6.It means to substitute

P=9(6)+3(-4)

p=54-12

p=42

Answer 2

p= 9(6)+3(-4)

p= 42

hope this help