Answer:
Hi
Step-by-step explanation:
Hope ur doin good
3/4=6/8
6/8-3/8=3/8
The third one, x+(x+1)+(x+2)=-21 because x, x+1 and x+2 are three consecutive numbers.
DONT KNOW TO BE HONEST SEVRS ARE SWAMPED
I'm always right B-) SHEESH