1. Rozwiąż równanie :
2(x-2)+12=-3(x-1)
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2x - 4 + 12 = 3x - 3
2x + 8 = 3x - 3
8 + 3 = 3x - 2 x
11 = x
bo
2(11-2) + 12 = 3 razy (11 - 1)
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2x - 4 + 12 = 3x - 3
2x + 8 = 3x - 3
8 + 3 = 3x - 2 x
11 = x
bo
2(11-2) + 12 = 3 razy (11 - 1)