|9х-18|=27
9х=27+18. -9х=27-18
9х=45. -9х=9
х=5. х=-1
Наверное так.
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9х - 18 = 27 или 9х - 18 = -27
9х = 45 или 9х = -9
х = 5 или х = -1
Ответ: 5;-1.
|9х-18|=27
9х=27+18. -9х=27-18
9х=45. -9х=9
х=5. х=-1
Наверное так.