sorry wait please delete my answer I realized my mistake!
Just add 3 to both sides
x = 7
There were...
11cards left.
heres why.
they started with 24 cards....
so...
24+8=32
32-12=20
20-9=11
Hope i helped!!! :)
Mark me as brainliest if i helped XD
D and E are the ones that aren’t functions because they use the x-values more then once
Answer:
18
Step-by-step explanation:
because the number of people that can swim will be about quarter out of hundred
