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secondary 4 | E Maths
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Kathy
Kathy

secondary 4 chevron_right E Maths chevron_right Singapore

thank you

Date Posted: 5 months ago
Views: 28

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Chua Tze Ren
Chua Tze Ren's answer
15 answers (Tutor Details)
1st
Hope this helps! Note that for the second equation you need to multiply x for the original number and y for the number when the digital are reversed both by 10 because the two of them are in the tens digit.