Answer:


Explanation:

( Being vertically opposite angles)
Vertically opposite angles are always equal.
Move variable to L.H.S and change it's sign
Similarly, Move constant to R.H.S and change it's sign
⇒

Collect like terms
⇒

Subtract 18 from 50
⇒

Divide both sides of the equation by 2
⇒

Calculate
⇒

The value of x is 16
Now, let's find value of m<AFD :
( sum of angle in straight line )
plug the value of x
⇒

Multiply the numbers
⇒

Add the numbers
⇒

Move constant to R.H.S and change it's sign
⇒

Subtract 98 from 180
⇒

Value of m<AFD = 82
Hope I helped!
Best regards!!