Jia min's answer to Eugene's Primary 6 Maths question.
Hi, i don't understand the part 2.
Where the 6/10x become 4/10x
Where the 6/10x become 4/10x
Thank you very much for your assist.
It's because you subtract 4/10x from 1x at the left hand side of the equation, which fives 6/10x... :)
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