5x + 5t - 4x + 8y = x +5t + 8y
3X - 3Y - 4x - 6y + 3x - 6y = 2x - 15y
ostatnie nie bardzo umiem..
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5x + 5t - 4x + 8y = x +5t + 8y
3X - 3Y - 4x - 6y + 3x - 6y = 2x - 15y
ostatnie nie bardzo umiem..