9514 1404 393
Answer:
x = 21
y = 60
Explanation:
We assume the marks are angle measures.
The angles of a linear pair are supplementary:
(3x +5) +(6x -14) = 180
9x -9 = 180 . . . . simplify
9x = 189 . . . . . . add 9
x = 21 . . . . . . . divide by 9
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At parallel lines, corresponding angles are congruent.
y +8 = 3x +5 = 3(21) +5 = 68
y = 60 . . . . . subtract 8