Question

please answer my question​

Answer 1

Answer:

-1/2

Let x be the rational number

Given that,

If multiply number by 5/2

and add 2/3 to product,

we get -7/12

Therefore,

5x/2+2/3=7/12

5x/2=-7/12-2/3

5x/2=-7-8

12

5x/2=-15/12

By crossmultiplication

12×5x=-30

60x=-30

x=-1/2 Answer.