Sagot :
Selam
[tex] - 1 \leqslant \frac{x - k}{m} < 3 \\ - 1.m \leqslant \frac{x - k}{m} < 3.m\\ - m \leqslant x - k < 3m \: [/tex]
x'i yalnız bırakalım.
[tex] - m + k \leqslant x < 3m + k[/tex]
taraf tarafa toplama yapalım
[tex] - m + k = - 5[/tex]
[tex]3m + k = 19[/tex]
2m + 2k = 14
2 ile sadeleştir.
m+ k = 7
Noćnik
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