text: Original line:\ny=(7/2)x - (5/2)   >>> m1 = (7/2)\n\nNew line (of coordinates z,w):\n(w-w1)=m2(z-z1)\n\nFor the point: (4,-1)\n(w-4)=m2(z+1)\n\nFor this line to be parralel to the original line, m2=m1 so\n(w-4)=(7/2)(z+1)  >>> 2w-8=7z+7 \n\n2w-7z-15=0