Question

A number added to 4/7 gives the answer as 0. What is the number?
4/7+__=0

Answer 1

$\huge{\mathcal{\underline{\green{SOLUTION}}}}$

Let x be the number

Then

$\frac{4}{7} + x = 0$

$\implies \: x \: = 0 - \frac{4}{7}$

$\implies \: x \: = - \frac{4}{7}$

Hence the required number is $- \frac{4}{7}$

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