Explicație pas cu pas:
a;b-nr
a+b=98
a=2b+17
=> 2b+17+b=98
3b+17=98
3b=98-17
3b=81
b=81:3
b=27
a=2×27+17
a=54+17
a=71
!Verificare: 71+27=98
Deci in concluzie a=71 si b=27
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Explicație pas cu pas:
a;b-nr
a+b=98
a=2b+17
=> 2b+17+b=98
3b+17=98
3b=98-17
3b=81
b=81:3
b=27
a=2b+17
a=2×27+17
a=54+17
a=71
!Verificare: 71+27=98
Deci in concluzie a=71 si b=27