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Mathematics 18 Online
OpenStudy (anonymous):

Solve the inequality –y < –2.

OpenStudy (vishweshshrimali5):

See, when we multiply or divide by a negative number, then the sign of the inequality reverses.

OpenStudy (vishweshshrimali5):

Multiply by (-1) on both sides of the inequality -y < -2

OpenStudy (vishweshshrimali5):

Remember that (-1) is a negative number and we are multiplying by a negative number.

OpenStudy (vishweshshrimali5):

@lizziebeth , now can you tell me what inequality you will get when you will multiply by (-1) on both sides of the given inequality?

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