Question

4 lazi cu mere....6 lazi cu prune=114 kg
5 lazi cu.mere ...2 lazi cu prune=93 kg

Answer 1

4..........6........114
5.........2.........93

20...........30..........570
20............8..........372
30-8=22
570-372=198
198:22=9
2*9=18
93-18=75
75:5=15

4*15..........6*9........114
5*15..........2*9.......93

Answer 2

m-lazi cu mere
m-lazi cu prune
4m+6p=114|:2
2m+3p=57
5m+2p=93
3m-p=36
p=3m-36
înlocuind
2m+3(3m-36)=57
2m+9m-108=57
11m=165
m=15
2×15+3p=57
3p=57-30
3p=27
p=9
verif:
5×15+2×9=75+18=93
4×15+6×9=60+54=114