Answer:
x=21
Step-by-step explanation:
We know that C is a right angle, which means that x + 3x+6 = 90

Have a nice day. hope I helped please rate brainliest!
A is the answer of not I’m sorry for that
Hey there! Your answer is B = 380 + 268y
That could be true but could you provide a picture so we know what rug your talking abt