3x + 4 = 2x + 2
3x - 2x = 2 - 4
x = -2
one solution
The answer is B. Not C that was my fault sorry.
Seeing as how its isocoles, the boytom two angles combine to 84 degrees. leaving 276 degrees in the upper angles or 138 degrees to each angle. c= 276 and w=59