Answer:
Step-by-step explanation:
-3
Explanation - you add the 10 to both sides then get -12 and then you divide 4 to both sides and then get -3
Answer:

Step-by-step explanation:






Answer:not the answer person but wouldn't it be 4 cause it's not more then half of the number lol.
Step-by-step explanation:
Answer:
see below
Step-by-step explanation:
The line is AB with ↔ over it
The Plane requires 3 letters not all in a line
The plane name is ABD