Answer:
y=2 3/5x +7
Steps:
since your problem gives you both the slope and y-intercept, you'd use slope-intercept form (y=mx=b) to make this equation.
m represents the slope, so you would plug in 2 3/5 to m
b represents the y-intercept, so you would plug in 7 to b, giving you
y=2 3/5x +7