Answer:
-7
Step-by-step explanation:
There's no "x" in the equation, so there's nothing to plug in. I don't know if you just forgot to type it, but for all numbers, it's gonna equal -7. Even if there was an x, it would still equal -7.
Answer: 3.5
Step-by-step explanation: 33.20-29.7
Answer:
I believe that the first 9 (90) is 100 times greater than the second 9 (9000).
Step-by-step explanation:
If you multiply 90 by 10, it will get 900, which is not enough!