Answer:
Remember the formula for the slope which is change in y over change in x
therefore: (7+2)/(6+3)= 1 slope=1
formula for a line is y=mx+b
plug in your slope and one of the given coordinates to find the y-intercept:
y=1x+b
7=1(6)+b
7=6+b
1=b
so the equation for the line would be y=x+1