The sum of the angles of any triangle is 180 degrees, so we get the equation:

x = 6
Hope that helps!
Answer:
The answer is 1.
Step-by-step explanation:
3+2x=y
6y=5x+4
6(3+2x)=5x+4
18+12x=5x+4
14+12x=5x
14=-7x
-2=x
the number is -2
Answer:
27x
Step-by-step explanation: hope this helps
Answer:4.5
Step-by-step explanation: Check the file for my explanation