An inverse operation is writing the opposite sign to another sign
I suppose the answer is b. Graph the system to show all possible solutions

change

given you

making x the subject by transferring the -19 to the right hand side of the equation


dividing through by 5


{
}
also given

change the operation sign to =



dividing through by -4


so the truth set is
{x:x>9/4}.
The < sign changes to > because we divided by a negative number when solving for x
Answer:
Step-by-step explanation:
i say d but i'm not fully sure