Answer:
hi
Step-by-step explanation:
you should know that the sum of interior angles of a hexagon is 720 so
[tex]4x - 10 + 2x + 8 + x - 12 + 7x + 3x + 135 = 720 \\ 17x = 121 \\ x = \frac{121}{17} = 7.11764[/tex]