Odpowiedź:
5x - 3,5 = 6,5
5x = 5 × 2
(bo 5×2=10, 10-3,5 = 6,5
x = 2
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Odpowiedź:
5x - 3,5 = 6,5
5x = 5 × 2
(bo 5×2=10, 10-3,5 = 6,5
x = 2