1
algebraSolve:
A
B
C
D
Correct Answer: A
Choice A is the correct answer. Distribute and isolate the variable.
- Distribute:
- Add 2x:
- Subtract 18:
- Divide by 5: , which is equivalent to
?�� Strategic Tip: Keeping the variable positive (by adding ) avoids dividing by a negative, but you must read the inequality correctly from the variable's perspective ( means is less than ).
Choice B is incorrect because it reverses the inequality direction. Choice C is incorrect because it uses positive 2 instead of negative 2. Choice D is incorrect because it combines wrong value and wrong direction.