9514 1404 393
Answer:
(c) x = -7
Step-by-step explanation:
An angle is equal to the sum of the angles into which it is divided.
∠MLK = ∠MLP + ∠PLK
164° = (x +31)° +(x +147)°
164 = 2x +178 . . . . . . collect terms
-14 = 2x . . . . . . . . . . . subtract 178
-7 = x . . . . . . . . . . . . . divide by 2
