Answer:
12
Step-by-step explanation:
Answer:
A.
Step-by-step explanation:
hope this helped
stay safe
brainliest is appreciated only 1more to level up please help :)))
(7+x)+x=15
I did trial and error to get x=4.
Supplementary is when it is a straight line that is equal to 180 degrees and complementary is a right angle which is 90 degrees