Answer: 1: x = 10, 2: x = 25
Step-by-step explanation:
Problem One:
3x + 10 = 5x - 10
10 = 2x - 10
20 = 2x
x = 10
In Problem Two the vertical angle theorem was used, this states angles created by two intersecting lines across from each other are congruent (equivalent).
75 = 3x
75/3 = 3x/3
25 = x
