Question 936406
4y+x-5y+2x-5 =0
  re arrange the terms
 4y-5y+x+2x-5= 0
   -y+3x-5= 0
      add y on both sides
      -y+3x-5+y= 0+y
        -y+y+3x-5  =y
             3x-5= y
Result : y=3x-5