Question

The sum of two rational number is -1 . If one number is -5/7 , find the other .

Answer 1

Answer:

answer is2

Step-by-step explanation:

x-5/7 = -1

x=5/7-1

x=2

Answer 2

Answer:

$= sum \: of \: two \: numbers \: = \: 1 \\ = first \: number \: = \: \frac{ - 5}{7} \\ = let \: the \: second \: number \: = \: x \\ = \: according \: to \: question \\ = \frac{ - 5}{7} + x = - 1 \\ = \: x = \frac{ - 1}{1} + \frac{ - 5}{7} \\ = \: \frac{ - 7 + 5}{7} \\ = \frac{ - 2}{7}$