rozwiąż równanie 4=2(x-10
4=2(x-10)4 = 2x - 20-2x = -20 - 4-2x = -24 /:(-2)x = 12
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4=2(x-10)
4 = 2x - 20
-2x = -20 - 4
-2x = -24 /:(-2)
x = 12