单选题
Which of the following is equivalent to the inequality 3x-6＞6x+9?
A、
x＞-5
B、
x＜-5
C、
x＞-2
D、
x＜3
E、
x＞3
【正确答案】
B
【答案解析】
To answer this question, solve the inequality by isolating x on the left side (remember to switch the sign in the final step!):
3x-6＞6x+9
-3x＞15
x＜-5
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