1. Rozwiąż równania a) 5x - 10 = -x - 3 b) 2 (x + 1) = 3(x - 7) c) 5(x + 2) = 4(x + 5) d) 2(x + 1/2) = 4(x + 5) e) 4(0,2x - 0,3) = - (x + 1)
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