Answer:
B) -3
Step-by-step explanation:
The sum of the three angles of any triangle is equal to 180 degrees.
180-50-87 = 43.
43 = x+46
x = 43-46
x = -3
________
[tex] \: [/tex]
x + 46 + 87 + 50 = 180
x + 183 = 180
x = 180 - 183
x = -3 (B.)
