Răspuns:
Notam:
-hambar 1 - >I
-hambar 2 - >II
-hambar 3 - >III
-hambar 4->IV
I+II+III+IV=24500 KG
I-x=2340KG
II-x=3200kg
III-x=2008kg
IV-x=4500kg
I=x+2340
II=x+3200
III=x+2008
IV=x+4500
Inlocuim in relație
(X+2340)+(x+3200)+(x+2008)+(x+4500)=24500
4x+2340+3200+2008+4500=24500
4x+2340+3200+2008=24500-4500=20000
4x+2340+3200=20000-2008=17992
4x+2340=17992-3200=14792
4x=14792-2340=12452
x=12452:4=3113