Answer:
-1 +-1= -2 negative
+2 + +2=4 positive
-1 + 2=1 positive and negative
1 + -2= -1
Step-by-step explanation:
1) just add the number then add the symbol
2)just add like normal num
3)make the num to a normal then minus it then that the answer them add the right nums symbol
4)just like the 3
ok?
hope it help
