??????????????????? "passeseessesseseses thru " ?????????????
a line GO THRU a point
strate line with slope=(1/7) go thru points: (a,3) & (2,5)
deltay=5-3=2
deltax=deltay/slope=7*deltay=7*2=14
a=2-14=-12
projekt line from x=2 tu x=0...deltax=-2
deltay=slope*deltay=(-2)/7=-0.285714285714285...
y at x=0....5-0.285714285714...=1.7142857k14...
formula: y=(1/7)x +1.714285714...