Question

4/7 is subtracted from a positive number and the reslut is multiplied by 8 to obtained the original number what is the number​

Answer 1

let the number be x

then according to the question

$x = (x - \frac{4}{7} ) \times 8$

now after simplyfying

we get

$7x = 56x - 32$

now again after simplyfying

we get

$- 49x = - 32$

$x = \frac{32}{49}$

here's your answer

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