I can't show the work, but if the problem is printed or on the computer, I recommend using Photomath in the AppStore :)
Hey there I just saw no one answered this problem and I know this is a little late but I will answer it anyways.
Answer: The answer to this problem would be points A and B
I have the same question too so I need help on it
4a-8=28
add 8 to both sides to start to isolate the variable (a)
-8+8 cancels each other out
28+8=36
4a=36
to completely isolate the variable divide both sides by 4
4a÷4=a
36÷4=9
a=9
Answer: 7740
Step-by-step explanation: take 180(n-45) and n represents the sides
