brookekash679 brookekash679 05-10-2020 Mathematics contestada HELP!!!! 15 points and marked brainliest!!!! L, M and N are collinear. M is between L and N. LM = 3z + 1, MN = 3z + 1, and LN = 22. use the segment addition postulate to solve for x. Then determine the length of LM. a: 6 b: 19 c: 3 d: 5