Answer:
B: 2x= -14
Step-by-step explanation:
180° is max for a triangle so subtract the given angle. 180- 84 is 96. the equation you get left with is 96= x + 59 + x + 51, which can become 2x + 110=96. Subtract 110 from 96 to get 2x by itself, which is now -14.
