Question

Given that 5W = 2P + 3R find the value of P when W = 4 and R = −4

Answer 1

P = 16

Explanation:

Given

5W = 2P + 3R ← substitute W = 4 and R = - 4 into the equation

5(4) = 2P + 3(- 4), that is

20 = 2P - 12 ( add 12 to both sides )

32 = 2P ( divide both sides by 2 )

16 = P