Is x=3 a solution to the inequality x<4?

*Yes, x=3 is a solution to the inequality x<4 because replacing the variable by 3 results in a true inequality*.

x<4

3<4

Is x=7 a solution to the inequality x<4?

*No, x=7 is not a solution to the inequality x<4 because 7<4 is a false inequality.*