Rozwiąż równanie: 2x -4 = 10x+5
2x - 10x = 5 + 4-8x = 9 | :(-8)x= -9/8x=-1 i 1/8
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2x - 10x = 5 + 4
-8x = 9 | :(-8)
x= -9/8
x=-1 i 1/8