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liza2Best ResponseYou've already chosen the best response.1
w= 4 Don't know how to solve it by substitution
 one year ago

liza2Best ResponseYou've already chosen the best response.1
Just looked at the problem & guessed, then checked my math.
 one year ago

liza2Best ResponseYou've already chosen the best response.1
well, if you look at it, you know odds are w has to be a number that has an integer square root. And it has to be pretty low. So, 4 was the first number that came to mind, because 9 is the next square, and it's already too high.
 one year ago
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