Answer:
y = -3x + 7
Step-by-step explanation:
Plug in. Using y - y1 = m (x - x1)
So, y - (-8) = -3 (x - 5)
2 negatives make a positive, so let's re-wrtie our equation.
y + 8 = -3 (x - 5)
Distribute,
y + 8 = -3x + 15
Subtract 8 from both sides
Final answer y = -3x + 7.