Answer:
y + 10 = 0
Step-by-step explanation:
Slope of horizontal line is zero (0)
m = 0
By point slope form of a line.

\left[x \right] = \left[ \frac{5\,y}{158}+\frac{6\,z}{79}\right][x]=[1585y+796z]
You cannot have infinite solutions.
If 0.3 = 1 then 0.9 = 3 because 0.3+0.3+0.3=the 3.