Answer:
x=1
Step-by-step explanation:
This stuff is quite easy in reality. Here's a little example including your numbers.

by this point we are left with simplifying it. Since it's a double negative we get a positive. Thus x=1
Answer:
the amount of matter is mass. how much space you take up
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
−2−(−4)−2
=2−2
=0
Answer- 3x-56(x) =8
Explanation- Good luck
Answer:
7 hours!
Step-by-step explanation: