my book lists enequality solving examples as simple substitution, such as
Decide whether 4 is a solution of the inequality.
Problem:2x - 1 < 8
Solution:2(4) - 1 < 8
4 is a solution.
but in the actual work, problems are listed like this:
Check whether the given number is a solution of the inequality.
Problem:n - 2 < 6; 3
is the number after the semicolon the given number, or is it another part altogether? thanks in advance