For each question, decide if it is always true or never true.

Never

Never

Always

Always

Never

Step-by-step explanation:

Substitute (x) for another number, I used (1), I if works then the answer is always and if it doesn't the answer is never. If you are unsure of your answer you can double-check by substituting another number instead.

a. Never true

b. Never true

c. True

d. True

e. Never true

linear pair postulates