Răspuns:
a + b = 80
a = 7 * b
7*b + b = 80
8b = 80
b = 80 : 8
b = 10
a = 7 * 10
a = 70
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Răspuns:
a + b = 80
a = 7 * b
7*b + b = 80
8b = 80
b = 80 : 8
b = 10
a = 7 * 10
a = 70
Sper ca te am ajutat! daca nu intelegi ceva imi poti spune