Answer:
The number to be subtracted = -11/2
Explanation:
(3*rational number)-x=1/2
The rational number given = -5/3
Then thrice the rational number
= 3*rational number
= 3*(-5/3)
= -5
(3*rational number)-x=1/2
-5-x= 1/2
-5- 1/2= x
-11/2= x
The number to be subtracted = -11/2