Answer:84
Step-by-step explanation:because 7x12=84
Answer:
p=-2
Step-by-step explanation:
-11=p-9
Add 9 to each side
-11+9=p-9+9
-2 =p
Answer:

Step-by-step explanation:

Hope this helps!
Answer:
24
Step-by-step explanation:
Answer:
Step-by-step explanation:
The sum of angle measures is ...
(7x +13)° +(83 -2x)° = 141°
5x +96 = 141 . . . . . collect terms, divide by °
5x = 45 . . . . . . . . . subtract 96
x = 9 . . . . . . . . . . . divide by 5
7x +13 = 7·9 +13 = 76 . . . . . find m∠J
m∠J = 76°
m∠K = 141° -76°
m∠K = 65°