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What is the rule when multiplying or dividing by a negative number to solve inequalities?

User Amuser
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2 Answers

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When we multiply or divide by a negative to solve an inequality, it's the same as multiplying or dividing by a negative to solve a regular equation! Just remember to multiply or divide both sides by the same quantity, then simplify! Remember, when multiplying or dividing by a negative YOU MUST FLIP THE INEQUALITY SIGN.
User Shreddish
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5 votes
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You flip the inequality.
Example: if x > -y and you divide both sides by (-1) then you flip the inequality so: -x < y
User Ostap Andrusiv
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