382 - 4 = 378
378/9 = 42
so there are 42 students on each bus
Answer:

Step-by-step explanation:
Elimination method:


Add these equations to eliminate x:

Then solve
for y:



Write down an original equation:

Substitute 4 for y in
:




{
and
} ⇒ 
<em />
<em>hope this helps...</em>
<span>–6(x – 2y) when x = –3 and y = –5
so
</span><span>–6(x – 2y)
= </span><span>–6(-3 – 2(-5))
= -6(-3 + 10)
= -6(7)
= -42
answer
</span><span>A. -42</span>