Question

Please Explain the question

please refer the attachment​

Answer 1

Answer:

let the rational number be x

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

5x/2=-15/12

x=-1/2

Answer 2

Answer:

let the rational no be x

according to the question

(x*5/2)+2/3=-7/12

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

we will take Lcm now of 2 and 3

15x+4/6=-7/12

15x+4=-7*6/12

15x+4=-7/2

15x=-7/2-4

taking lcm of 2and1

15x=-7-8/4

15x=-15/4

x=-15/4*15

x=-1/4