Предмет: Алгебра, автор: maba4693

решите неравенство -2 ≤ 3x+1 ≤4 правильно !!!!!! срочноооо

Ответы

Автор ответа: Аноним

0

-2 ≤ 3x+1 ≤4

-2-1 ≤ 3x ≤4-1

-3≤ 3x ≤3

-1≤ x ≤1

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