Answer:
the 4th one
Step-by-step explanation:
-1 - -1.
-1 + 1.
0.
The answer is 0.
Answer:
-1 2/3 that's the best i could do sorry if its wrong
Step-by-step explanation:
You must try to remove one of the unknown variables from the system by multiplying one in a way that when adding (or subtracting) one to another “makes it disappear” and so whatever value you get can be substituted back in to get the other unknown!
Well that's division.
•36 divided by 9 is equal to 4.
• 81 divided by 9 is equal to 9.
•45 divided by 5 is equal to 9.
•56 divided by 7 is equal to 8.
•42 divided by 7 is equal to 6.