IDNLearn.com offers a user-friendly platform for finding and sharing answers. Ask your questions and receive prompt, detailed answers from our experienced and knowledgeable community members.

Need help understanding!!!!

Need Help Understanding class=

Sagot :

Answer:

Step-by-step explanation:

The two angles are formed from 2 intersecting lines. The angles are called vertically opposite angles. They are equal

4x + 21 = 85                    Subtract 21

4x = 85 - 21                    Combine

4x = 64                           Divide by 4

x = 64/4

x = 16