2x1+4x2+x3
x1+x2+2x3:500
10x1+8x2+5x3:2000
2x1+x2:100

45x1+30x2+60x3+38x4
3x1+5x2+3x3+4x4:100
5x1+2x2+10x3+3x4:200

4x1+9x2
11x1+3x2:45
4x1+3x2:24
4x1+15x2:48

6x+3y+2z
4x+7y+2z:8
x+y+z:2
5x+2y+4z:4
29x+2y+z:8

3x+2y
11x+4y:72
2x+y:15
3x+14y:60

9x+10y
x+4y:48
3x+y:42
x+2y:28
3x+2y:48

6x+7y
4x+7y:105
-8x+7y:63
6x+5y:108
3x-5y:27

150x1+210x2+130x3
10x1+15x2+7x3:3300
12x1+17x2+7x3:3500
8x1+9x2+8x3:2900