Respuesta :

8) x represents the number of pounds of peanuts, and y represents the number of pounds of raisins

9) 
Solve:
x+2y=9
-2y    -2y
x=9-2y

2(9-2y) + 3y=14
18-4y+3y=14
-18            -18
-y=-4
y=4

x+2(4)=9
x+8=9
x=1