Răspuns :
a=b+5864
b+5864+(b+5864+b) =b×7
b×3+2×5864=b×7
b×4=5864×2
b×4=11728
b=11728:4
b=2932
a=2932+5864
a=8796
b+5864+(b+5864+b) =b×7
b×3+2×5864=b×7
b×4=5864×2
b×4=11728
b=11728:4
b=2932
a=2932+5864
a=8796
a-b=5864;
a+(a+b)=7b;
2a+b=7b;
a=6b/2=3b;
3b-b=5864;
2b=5864;
b=2932;
a=8796
