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2014-04-28T20:35:38+03:00
43x2=86  124-86=38  38:2=19 iepuri
43-19=24gaini
6 4 6
2014-04-28T20:37:38+03:00
X-gaini,    y-iepuri
x+y=43                inmultim cu -2
2x+4y=124

-2x-2y=-86
2x+4y=124           x se reduce
2y=38
y=38/2
y=19 iepuri
x=43-y
x=43-19
x=24 gaini
4 5 4