what is sign scheme method for inequalities?​

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what is sign scheme method for inequalities?​

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Skylar 1 month 2021-08-13T00:14:45+00:00 1 Answer 0 views 0

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    2021-08-13T00:16:26+00:00

    Step-by-step explanation:

    There is one very important exception to the rule that multiplying or dividing an inequality is the same as multiplying or dividing an equation. Whenever you multiply or divide an inequality by a negative number, you must flip the inequality sign.

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18:9+8+9*3-7:3-1*13 = ? ( )