Odpowiedź:
Mamy
4 a - b =- ( 2 b - a) b - a = 8
4 a - b = -2 b + a b = a + 8
3 a = - b
3 a = - a - 8
4 a = - 8
a = - 2 b = - 2 + 8 = 6
Odp. a = - 2 b = 6
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Odpowiedź:
Mamy
4 a - b =- ( 2 b - a) b - a = 8
4 a - b = -2 b + a b = a + 8
3 a = - b
3 a = - a - 8
4 a = - 8
a = - 2 b = - 2 + 8 = 6
Odp. a = - 2 b = 6
===========================
Szczegółowe wyjaśnienie: