Answer:
-9
Step-by-step explanation:
This equation is written in slope-intercept form. <em>-9 </em>represents the y-intercept, and <em>x </em>represents the slope, which is positive one over one.
Answer:
-3x-y=5
y-2z=7
x-4y+z=-9
Step-by-step explanation:
A. the lower extreme is an outer but the upper exterme is not