Answer:
4x + 2 + x + 3x + 2 = 180 (all angles of a triangle will equal 180 degrees)
Combine like terms:
8x + 4 = 180
-4 -4
8x = 176
Divide by 8 on both sides:
X = 22
So now we find the angles.
4 x 22 + 2 = 90 degrees for 4x + 2
3 x 22 + 2 = 68 degrees for 3x + 2
22 degrees is for X