Answer and Explanation
Your Answer is
Correct Answer is J
Explanation
From the meaning of the question, we can know: the powers on the left and right sides of the equal sign are equal, then we can get 3(2a-1)=9, a=2.
Your Answer is
Correct Answer is J
Explanation
From the meaning of the question, we can know: the powers on the left and right sides of the equal sign are equal, then we can get 3(2a-1)=9, a=2.