Answer:
Step-by-step explanation:
3). Definition of Congruent Angles
4). Substitution Property of Equality
5). 6x + 14 - 4x = 34 + 4x - 4x Subtraction Property of Equality
6). 2x + 14 - 14 = 34 - 14 Subtraction Property of Equality
7). x = 10 Division Property of Equality
8). 6(10) + 14 = 74 Substitution Property of Equality
9). 34 + 4(10) = 74 Substitution Property of Equality
10). Angle addition Postulate
11). Substitution Property of Equality
