Answer:
B
Step-by-step explanation:
for the lines to be parallel , then
8x - 14 and 2x + 54 are same- side interior angles and sum to 180°, that is
8x - 14 + 2x + 54 = 180
10x + 40 = 180 ( subtract 40 from both sides )
10x = 140 ( divide both sides by 10 )
x = 14
