Answer:
Pg. 1
Your answer is the second option. They are equivalent and x = 5 for the second expression is 14.
Pg. 2
Absolute value of any number is the the positive version of that number so your answer is the third option, 9
Pg. 3
Your answer is the third option. The second expression when x = 2 is 12. If you simplify the two expressions by combining like terms, they are not the same and thus are not equivalent.
Pg. 4
Third option yet again. When you plug in x = 2, the value is 8. Combine like terms and you'll find they are not the same.
Step-by-step explanation:
