X=2, and Y=1
There are several ways to approch this problem. each line should be looked at as
[a,b]=[a,b]
[c,d]=[c,d]
where you have 2 variables, x and y which are related to both sets.
the first row
[x, 3] = [2, x+y] is saying that x=2, and 3=x+y
the second row
[4, y] = x[2, 3] is really [4,y]=[2x,3x] and says that 4=2x, and y=3x
so the only number for x which holds true for all case is 2, and the only number which holds true for y is 1.
There may be cases where you have a problem that the only solutions could be
x=2y, and y=0.5x
such as the following
[x,2y]=[2y,x]
x[4,4(y^2)]=[8y,(2(x^2)y)]
disregard, my math is flawed!
Last edited by EtherFreak; 09-14-2012 at 12:36 AM.
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