Answer:
Step-by-step explanation:
-4 and 2
3 - 7=-4
3+(-7) =-4
and
3-1 is 2
9^2 • 9^6 = 9^(2 + 6) = 9^8
-2
9w-36-7w=15w-10
2w-36=15w-10
-13w=26
w=26/(-13)
w=-2
