Question

The sum of two rational numbers is -3/7. If one of the number is -9, find the other. ​

Answer 1

Given,

The sum of two rational numbers is -3/7.

First number = -9

To Find,

The second number

Solution,

Let the other number = x

$= > - 9 + x = \frac{ - 3}{7} \\ = > x = \frac{ - 3}{7} + 9 \\ = > x = \frac{ - 3 + 9 \times 7}{7} \\ = > x = \frac{ - 3 + 63}{7} \\ = > x = \frac{60}{7} \\ = > x = 8 \frac{4}{7}$

Hope it helps ☺️