David's answer to Putri's Secondary 1 Maths Singapore question.

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David
David's answer
17 answers (Tutor Details)
1st
Trial and error using X+y =15.
Putri
Putri
2 years ago
Thk you for helping me
David
David
2 years ago
You're welcome
Putri
Putri
1 year ago
Thk you