Kervyn's answer to Evelyn's Secondary 3 E Maths question.

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Kervyn
Kervyn's answer
18 answers (Tutor Details)
1st
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Evelyn
Evelyn
7 years ago
How do u know which value to put for value of y ?
Kervyn
Kervyn
7 years ago
You can sub in either P or Q and it should still work.