Answer:+6
Step-by-step explanation:
2 times 2z= 4z 2 times 4=8 -2 times 3z= -6z -2 times 10= -20 then after u do the multiplication you do this! step by step! 6z minus 4z= 2z then do -20 minus 8= -12 divided by -2z 1 should be= +6
