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Comment on Adding k to a Set
I found this solution a
It simplified it in my mind to substitute the variables w+x+y+z=32 and then, w+x+y+z+k=50. I was able to clearly see what needed to be done next. When I substituted what I knew, I got the equation 32+k=50, which gives me k=18. It just made a little more sense in my brain this way.
Fair enough! Whatever works
Fair enough! Whatever works best is best :-)
I hope this difficulty level
The GRE is computer adaptive,
The GRE is computer adaptive, so the second section of quant questions will be on the edge of your capabilities. For more, see: https://www.greenlighttestprep.com/module/general-gre-info-and-strategie... (starting around 1:40)
So does that mean I should do
Funny though, I thought we
Need to be more careful reading the question.
There's an important distinction between "When k is added to the four numbers" and "When k is added to EACH of the four numbers."