Question

The sum of-8 if one of the numbers is -10/7 find the other

Answer 1

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Sum of two numbers= -8

$\sf \: Given \: number= \frac{ - 10}{7}$

Let the other number be x

$\implies \sf \frac{ - 10}{7} - x = - 8 \\ \\ \implies \sf - 10 - x = 8 \times 7 \\ \\ \implies \sf - x = 56 + 10 \\ \\ \sf \implies - x = 66 \\ \\ \implies \sf \: x = - 66$

So the other number=-66

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