Question

Segment addition and how to do this ?

Answer 1

x = 3

Explanation:

using what's given, you can make the following equation:

-12 + 2x + x - 8 = 10

-12 + 3x - 8 = 10

-20 + 3x = 10

3x = 10 + 20

3x = 30

x = 30/10

x = 3