awesomeguyftw's answer to Lee Taeun's Secondary 3 A Maths question.

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awesomeguyftw
Awesomeguyftw's answer
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This question requires you to be good at comparing coefficients of X as well as solving simultaneous equations. Fairly advanced for secondary school level. Do note that you can also compare coefficients without X like what I have done. It really helps to speed things up.
Lee Taeun
Lee Taeun
7 years ago
Thank you cor showing all the workings so clearly!