Question 941805
 y= 4x
  y = -x+10
   4x  = -x+10
   move -x to the right
 4x+x= 10
  5x  =10
  divide with 5 on both sides
 5x/5 =10/5
 x= 2
  Y  = 4x
     =4(2)
   =8
 Result: x=2, y= 8