Explanation for Question 10 From the Math (No Calc) Section on the 2017 April Sat
Question 10 asks, which of the following expressions is equivalent to the one above 2 where X is not equal to one. 3 So to add these two fractions together, 4 I'm going to have to multiply this, left this fraction on the left by 5 two over two. And then I can add these. 6 So five times two plus eight, 7 over two X minus one. 8 And this simplifies to 10 plus eight or 18 9 over two X minus one. 10 And this is almost simplified. We can simplify this in one more step by, 11 uh, taking out the two from the top of the bottle. 12 And this becomes nine over X minus one, 13 which is answer choice.