Teng Fei's answer to kim's Secondary 2 Maths Singapore question.
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hi so, just take note of a few things
when you have 2 inequality signs, always remember to try to separate them into 2 separate "equations"
Then, try to make the X the subject of the equation
e.g. shift all the X to one side, shift all the numbers to one side
the full black dot means "inclusive"
the white dot means "exclusive" but I don't think it is in your syllabus
when you have 2 inequality signs, always remember to try to separate them into 2 separate "equations"
Then, try to make the X the subject of the equation
e.g. shift all the X to one side, shift all the numbers to one side
the full black dot means "inclusive"
the white dot means "exclusive" but I don't think it is in your syllabus
Date Posted:
1 year ago
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