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2014-05-13T20:45:57+03:00
X+y=53 248
x-y=7 000   prin adunarea celor 2 ecuatii obtinem
2x /= 60 248
x=30 124

y=53 248-30 124
y=23 124
5 3 5
2014-05-13T20:50:14+03:00
X=53248-y
53248-y-y=7000
53248-2y=7000
53248-7000=2y
46248=2y
y=46248:2
y=23124
x=53248-23124
x=30124
---------------------------------------------
x=30124
y=23124

4 4 4