Eric Nicholas K's answer to Candice's Secondary 4 A Maths Singapore question.

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
Good evening Candice! I obtained x = -0.5, y = -1.5 for my workings. I used an ordinary method instead of matrix method as the matrix method of solving simultaneous equations is not in your syllabus for E Maths and A Maths.
J
J
4 years ago
The answer would be valid if +10 is changed to + 170
Candice
Candice
4 years ago
Oh okay thanks!