Question

find the value of x I will give 20 Marks for you ​

Answer 1

Step-by-step explanation:

3x+40°+4x=11x-60°. .......... by exterior angle 60°+40°=11x-7x theorem.

100°=4x

x=100÷4

x=25°.

Answer 2

Answer:

3x +40+4x=11x-60

7x-11x=-60-40

-4x=-100

x=25