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Mathematics, 09.02.2021 04:10 emma8292

A pencil cost #(x-5)and an exercise book cost #(2x+10.if the sum of the cost of the two items is divided by 7,the result is #5.00.calculate the cost of an exercise book.

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A pencil cost #(x-5)and an exercise book cost #(2x+10.if the sum of the cost of the two items is div...

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