WT Cheng's answer to Meredy's Secondary 4 E Maths Singapore question.

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WT Cheng
Wt Cheng's answer
97 answers (Tutor Details)
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Hi Meredy,

No. Because you are expressing c in terms of the other terms.

When you multiply the RHS with -ve,
you also need to multiply the LHS with -ve, which will give you: minus c