Автор - ermiona777

Решить неравенство
-2(3x+1)<=-(7+8x)

Ответ

Автор - njhieyjdf
-2(3x+1) leq -(7+8x)
-6x-2 leq -7-8x
-6x+8x leq -7+2
2x leq -5
x leq -2,5

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