Answer:
opposite half-planes – the two half-planes that are separated by a particular line of the plane. If points Y and Z are in opposite half-planes, the segment joining them must intersect the edge.
Step-by-step explanation:
2x/3 - 5 = 21
2x/3 = 26
2x = 78
x = 39
OPTION A is the answer.....
yes I know but will not give answer because you have not say that