Answer: The value of x is 50.
Explanation:
Hi, since the opposite angles are equal we can assume:
2(x+10) = (3x-30)
So, solving for the variable "x":
2(x+10) = (3x-30)
First, we apply distributive property:
2x+20=3x-30
Adding alike terms and isolate x:
20+30 =3x-2x
50=x
The value of x is 50.
Feel free to ask for more if needed or if you did not understand something.