Well off the top of my head, (700,001),(700,002),(700,003), and (700,004) are 4 numbers that round to 700,00 when rounded to the nearest hundred thousand. But if you're looking for something a little more unique, then any number from 650,000 to 749,999 would round to to 700,000 when rounded to the nearest hundred thousand. I hope this helps!
-7, because you distribute it to both -4 and 3.2, which means you're multiplying it to both.
Answer: 11x - y = 8x - y + 3x
