4 2p 10 left 3 5p 2 July 8, 2019 16 32 64 128 4 2p 10 left ( dfrac 3 5p 2 right 4 2p 10 left frac 3 5p 2 right answer 4+2p=10 left( dfrac 3 5p-2 right) 2 + 3 + 4 + 5 + 6 4+2p=10( 5 3 p−2) 4 2p-p=5 12 4^3p-1 = 5^210