Answer:
See Attachment.
General Formulas and Concepts:
Algebra I
Slope-Intercept Form: y = mx + b
Step-by-step explanation:
Step 1: Define variables
Slope m = -1
y-intercept b = 3
Step 2: Write linear equation
Substitute into general form.
Slope-Intercept Form: y = -x + 3
Step 3: Graph