Question 1165798
Points  (p, A):
(19, 1550) and  (16, 2350)


{{{A=mx+b}}}
{{{A-mx=b}}}
{{{b=A-mx}}}



{{{A=((2350-1550)/(16-19))x+(A-m*x)}}}
pick a point:
{{{highlight_green(A=((2350-1550)/(16-19))x+(1550-((2350-1550)/(16-19))*19))}}}-----------simplify this.