Question

It is a linear pair of angles and I don't understand the equation it goes

5x -5 + 2x + 10 and I need to find x not 180

Answer 1

x = 25

Explanation:
The sum of the angles of a linear pair is equal to 180 degrees.

5x - 5 + 2x + 10 = 180

7x + 5 = 180

7x = 180 - 5

x = 175/7

x = 25