6
algebraSolve:
A
B
C
D
Correct Answer: A
Choice A is the correct answer. Distribution and multi-step solving are combined in this problem.
- Distribute: , giving
- Subtract 5x: , giving
- Add 8:
?�� Strategic Tip: When distributing with parentheses, multiply the coefficient by EVERY term inside.
Choice B is incorrect because it reverses the inequality without justification. Choice C is incorrect because it uses -10 instead of 10, possibly from a sign error. Choice D is incorrect because it combines both wrong sign and wrong direction.