Answer:
y = - 7
Explanation:
line pass (8, - 7) (- 6, -7)
y = mx + b m: slope b: y intercept
m = difference of y / difference of x
m = (- 7 - (- 7)) / (- 6 - 8) = 0 / (-14) = 0 ... line parallel to x axis
b = y - mx = - 7 - 0*8 = -7
equation : y = -7