Answer:
x = 3
Step-by-step explanation:
by property
2x + 1 + 25 = 10x + 2
26 - 2 = 10x - 2x
24/8 = x
3 = x
3
Fact to learn:
An exterior angle of a triangle = the sum of the two remote interior angles.
10x + 2 = 2x + 1 + 25
10x + 2 = 2x + 26
8x + 2 = 26
8x = 24
