KOH CHEE KIAT's answer to question 7a's Secondary 2 Maths Singapore question.

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KOH CHEE KIAT
Koh Chee Kiat's answer
3 answers (Tutor Details)
1st
I assume your issue here is with the fraction,
Therefore to get rid of those fraction, you need to multiply the entire equation with each denominator, which will get rid of the fractions

Afterwards just solve for x
If you need more clarification contact me