Respuesta :

irspow
Standard form is ax+by=c

y+4=(-12/7)(x-1)  perform indicated multiplication on right side

y+4=(-12x+12)/7  multiply both sides by 7

7y+28=-12x+12  add 12x to both sides

12x+7y+28=12  subtract 28 from both sides

12x+7y=-16