Hello I don't need the answer to this problem because its only Practice. Its merely there for an example. I am not sure how to do this type of math and I would really appreciate if you wrote a step by step explanation. Please help me. Thank Youu!

Answer:
We have the slope m = (6-3)/(4-1) = 3/3 = 1;
Then, y - 3 = 1·( x - 1);
finally, y = x + 2.
I hope this helps I'm not 100% sure about this one