Yim Sohyun's answer to shu's Secondary 1 Maths Singapore question.

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Yim Sohyun
Yim Sohyun's answer
40 answers (Tutor Details)
1st
Both methods work but left method is a more general method! Hope it helped :)