Pls help thank you This questions is about working backwards

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primary 5 | Maths | Whole Numbers
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primary 5 Maths Whole Numbers Singapore

Pls help thank you
This questions is about working backwards

Date Posted: 5 years ago

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Introduce an unknown and use it to form expressions to help work out the answer. Hope this helps!

Date Posted: 5 years ago

5 years ago

Thank you so much