The given system of equations is as follows
x/2 + y/3 = 2/3
x/2 + 2y= -1
Subtract the second equation from the first, thus eliminating x/2
y/3-2y = 2/3 +1
-5y/3= 5/3
Hence y =-1. Substitute this value in either of the two equations and solve to get x=2.
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