The unknown number is 2, because if you try to find the difference between 5 and 3 then you will get the number 2 as your answer.
Answer: The general form for a line in slope-intercept will be y=mx+b.
Step-by-step explanation:
The equation of any line can be found in this form if the slope and y-intercept can be found and substituted in for m and b respectively.
Negative+positive=positive