Zapisz w jak najprostszej postaci.
...... = 2(x - 1) - 3 * (2x - 10) = 2x - 2 - 6x + 30 = - 4x + 28
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...... = 2(x - 1) - 3 * (2x - 10) = 2x - 2 - 6x + 30 = - 4x + 28