Answer:
5 because the 3 times 1000 and when you divide that it gets 5
Answer:
I have solved it in elimination method if you need it in another method let me know.
Step-by-step explanation:
3x+y=21
-x-y=5
2x=26
x=13
-3×13-3y=15
y= -18
-10 = -3x - 82
3x = -82 + 10
3x = -72
x = -24
hope it helps