Answer:
[tex]x=3[/tex]
Step-by-step explanation:
For a shape to be a parallelogram, the angles that are across from one another have to be equal.
We can now find x by making both equations equal to each other and solving.
[tex]11x+1=13x-5[/tex]
Solve.
[tex]11x+1=13x-5\\6=2x\\x=3[/tex]
