Question

10. The sum of two rational numbers is - 3. If one of them is-2 diveded by 7

,find the other number​

Answer 1

Answer:

Let the required number be x.

A.T.Q

x + -2/7 = -3

x = -3 -(-2/7)

x = -3+2/7

x = (-21+2)/7

x = -19/7

The other number is -19/7.

VERIFICATION:

-2/7 + -19/7

(-2-19)/7 = -21/7 = -3

Answer 2

Answer:

heya mate there's your answer

let another number be x

according to the given conditions,

x+(-2/7)=-3

7x-2/7=-3

7x-2=-3×7

7x-2=-21

7x=-21+2

7x=-19

x=-19/7

So required number is-19/7

hope it helps you

Thank you