Below is a question from the non-calculator math section of the SAT. It would typically take a student 2 minutes to complete.
If , what is the value of x?
To begin, we will substitute the value of k into the equation.
先把 k 的值代入式子
We will then multiply both sides of the equation by 3.
x - 1 = 9
We then add 1 to both sides of the equation.
x = 10
So, the answer is 10, D.
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