#4 is 47, 48, 49
47+48+49=144
Answer:
-3+(-6) = -9
Step-by-step explanation:
a negative 3 plus another negative 6 is a negative 9. Is just like if you borrow $3 from your friend and borrow $9 from another friend. That means you own two of your friends a total of $9. This can be mathematically illustrate as: -3 + (-6)= -9
Answer:
b=-3
Step-by-step explanation:
-7b=21
-7b/-7=21/-7
b=-3