[tex] \qquad \qquad\huge \rm༆ Answer ༄[/tex]
Here's the solution ~
[tex]\qquad \sf \dashrightarrow \: - 3y - ( - 8y)[/tex]
[tex]\qquad \sf \dashrightarrow \: - 3y + 8y[/tex]
[tex]\qquad \sf \dashrightarrow \: 5y[/tex]
The required result is 5y