Which equation results from adding the equations in this system?

Negative 6 x + 4 y = negative 8. 6 x minus 12 y = 14.
(A) Negative 16 y = 6
(B) Negative 8 y = 6
(C) Negative 8 y = negative 22
(D) Negative 16 y = negative 22

Negative 8y = 6

Step-by-step explanation:

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step-by-step explanation:

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2