The answer is X= -3 and the work is 8x+2x-5= -35 so the -5 turns to a positive 5 and cancels itself it out so -35 becomes -30 then you add 8x and 2x then you get get 10x then you divide -30 by 10 and you get -3
It would the answer C choice
For 4) S.A = 224.37 cm
5) S.A = 192.74 in
Step-by-step explanation:
8-1/4-7 = 7/-3 this the answer I guess
This is the Associative Property of Addition.