Boy Mow Chau's answer to Angela's Secondary 2 Maths Singapore question.
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have skipped some in-between steps of solving for y … I assume that you should be able to fill them in.
for purpose of checking,
continue to work out x = 480 - 216 = 264 and …
verify that these values of x and y satisfies both equations
for purpose of checking,
continue to work out x = 480 - 216 = 264 and …
verify that these values of x and y satisfies both equations
Date Posted:
4 years ago
Thank you very much!
Thank you