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Solve the following inequality using the multiplication principle.


-3 over 7 ≤ -4x

User Insaner
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1 Answer

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\\ \sf\longmapsto ( - 3)/(7) \leqslant - 4x \\ \\ \sf\longmapsto - 3 \leqslant 7( - 4x) \\ \\ \sf\longmapsto - 3 \leqslant - 28x \\ \\ \sf\longmapsto \ 3 \leqslant 28x \\ \\ \sf\longmapsto x \geqslant (3)/(28)

User Krinn
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