Answer:
y = -1x - 6 is the equation of the line.
Step-by-step explanation:
1. Insert the coordinates into the formula:
-7 = -1 ( 1 ) + b
2. Solve both sides and add 1 to each side to get:
-6 = b
3. If the slope is -1 and the y-intercept (b) is -6, than the equation of the line is:
y = -1x - 6