5×(х+3у+4z-8)= 4x -6 y +10 a = 5/8+3/9= 4/7+1/6=

Question

5×(х+3у+4z-8)=
4x -6 y +10 a =
5/8+3/9=
4/7+1/6=

Answer 1

5×(х+3у+4z-8)=5x+15y+20z-40
4x -6 y +10 a =8xay
5/8+3/9=23/24
4/7+1/6=31/42