Answer: -b - 9
Step-by-step explanation:
First, since the a cancel eachother out we are left with (4-b) + (-6-7)
Second, you want to add the -6 and -7 to get -13, so (4-b) - 13
Finally, add the 4 to the negative 13 to get (-b - 9)
Hope this helps.
Answer:
Step-by-step explanation:
Step 1 Answer: Yes, 3
Step 2 Answer: Yes, 5
Step 3 Answer: No
I think the answer would it's 21