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Yep, that's right!Just having a wild stab at a):
Equating expressions under the surd - y+2=5 ----> y=3
Equating expressions that do not get taken indices of - x-3 = -1 ----> x=2
b) would be done similarly
To justify the "equating like parts", use the following result.However, are you sure that that is the right method?
Thanks so much for all of that, it's just that, the cream behind the sugar coating was a little bit foggy. I just didn't understand the basics.^ This result is the rigorous reasoning that solves pretty much all of the problems you have posted today, so make sure you understand it.