Please help with #2 I will give a brainliest if you explain how

Y=x-3
Step-by-step explanation:
it is because as the formula is y=mx+b
the slope is 1 and y-intercept is -3 so the equation is y=x-3
Answer:
Y=X-3 The second option
Step-by-step explanation:
Y=Mx+B the mx is slope and the only option is the second... y=x-3