Answer:
B
Step-by-step explanation:
Since all the expressions are on a straight angle (equalling 180) combine the expressions to form on big expression that is equal to 180 and solve.
6x - 10 + 4x + 6 + 7x + 14 = 180
17x + 10 = 180
- 10 -10
17x = 170
÷17 ÷17
x = 10
Hope this helps
