Wiranta Kusumo's answer to Lew Zheng Hong's Secondary 3 E Maths question.

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Wiranta Kusumo
Wiranta Kusumo's answer
23 answers (Tutor Details)
You just need to be aware that x to the power of -1 simply means 1/x. From there you can just solve the equation accordingly. If still unsure feel free to ask me. Cheers and all the best! :)