5(3-2y)-4 (9-y) = (y+5)
14(2x-3)-5 (x+4) = 2 (3x+5)+5x

1)15-10y-36+4y=3y+15
   -10y-3y+4y=15-15+36
 -9y=36
  y=-4
2)28x-42-5x-20=6x+10+5x
  28x-5x-6x-5x=42+20+10
 12x=72
  x=6

15-10y -36+4y=3y+15
-10y+4y-3y=-15+36+15
-9y=36
y=-4

28x-42-5x-20=6x+10+5x
28x-5x-6x-5x=42+20+10
12x=72
x=6