Answer:
-1
Step-by-step explanation:
3-1=2
2-1=1
Answer to your question : 8 vans
Answer:
19,23
Step-by-step explanation:
9+x-7≥ 21
Combine like terms
2+x≥21
Subtract 2 from each side
2+x-2 ≥21-2
x≥19
Any number greater than or equal to 19
If you ever times a number by 0 then the answer will be 0 no matter what