I need to know number 8 but I just can't
P = 2a + bP = 16.75a = 5x + 5b = x + 416.75 = 2(5x + 5) + (x + 4)16.75 = 10x + 10 + x + 416.75 = 11x + 1416.75 - 14 = 11x2.75 = 11x2.75/11 = x0.25 = x <==