B = -16
m = (-15-(-16))/18-0 = 1/18
y= 1/18x - 16
you move first the number without the variable to the other side with the opposite sign
-0.75p=0.25+2
-0.75p=2.25
then as -0.75 is multiplying you pass it to the other side dividing
p=2.25/-0.75
p=-3
Slope = -1/2
y-intercept = 6
<3