write a short note to a friend explaining when to reverse the inequality when you are solving an inequality

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Seudónimo Seudónimo

31-10-2016
Mathematics

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write a short note to a friend explaining when to reverse the inequality when you are solving an inequality

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mariahamid mariahamid · Answer 1 · 2016-10-31T01:31:06+01:00

mariahamid mariahamid

31-10-2016

You reverse the inequality when you divide both sides by a negative number.
example:
-5x>45 (you divide both sides here by -5 to get the value of x)
answer:
x<9 (notice inequality has been has been reversed)

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