Answer:
y = 5x - 5
Step-by-step explanation:
Since y = mx + b is the slope-intercept form, we’ll need to make y alone without any coefficient
15x - 3y = 15
To do this, divide all terms by 3
15x/3 - 3y/3 = 15/3
5x - y = 5
Then make y the subject
y = 5x - 5