let's say the two numbers are x and x + 9. so we know x + x + 9 = 21, so 2x + 9 = 21. subtract 9 from both dies to get 12 = 2x. divide both sides by 2 to get x = 6. so your two numbers are 6 and 15.
Answer:
18
Step-by-step explanation:
C'=1.5
c/c'=d/d'
c/1.5=8
c=12
hope that helps :)
3x=129 , x =43 distribute 3 to get x by itself
Answer:
this could work y=(-22)x+41