Respuesta :

Solution:

  • We know, vertically opposite angles are equal when two lines intersect each other.
  • Therefore,

3x+31=4x-13

or, 31+13=4x-3x

or, 44 = x

  • So, x = 44.

Answer:

The answer is 44.

Hope it helps.

ray4918 here

Bora77

Answer:

[tex](3x + 31) = (4x - 13) \\ \\ 3x + 31 = 4x - 13 \\ \\ 4x - 3x = 31 - 13 \\ \\ x = 18[/tex]

Vertical angel was equal each other