Guan Ri Oh's answer to Ambriesh.K's Secondary 3 A Maths question.

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Guan Ri Oh
Guan Ri Oh's answer
118 answers (Tutor Details)
The method provided by Mong Chang Hsi is not wrong, just that he made a small mistake right at the start. It should be y=2x-6 instead of y=6-2x.