Question
PSLE
Valen sold (7d + 7) folders on Monday. He sold d more folders on Tuesday than on Monday. How many folders did he sell altogether? Give your answer in terms of d in the simplest form.
2 m

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PSLE
Valen sold (7d + 7) folders on Monday. He sold d more folders on Tuesday than on Monday. How many folders did he sell altogether? Give your answer in terms of d in the simplest form.