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Secondary 1 | Maths
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Joanne Loi
Joanne Loi

Secondary 1 chevron_right Maths

Kindly help me by explaining which answer is correct, my answer from answer sheet differs and i dont understand. Thank you

Date Posted: 2 years ago
Views: 168

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Aaron Goh
Aaron Goh's answer
5 answers (Tutor Details)
1st
Both are correct. It is just the order in which the x and y values differing.

ay+bx = bx+ay (the terms are commutative)

-4y-3x = -3x-4y is true since they are commutative.
(a=-4 and b=-3, in the first case)
Similarly, -y+2x = 2x-y, both are correct
Joanne Loi
Joanne Loi
2 years ago
Thank you so much