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2014-11-19T10:08:03+02:00
X+y=95
7x+12y=940
x=95-y
7(95-y)+12y=940
665-7y+12y=940
5y=940-665
5y=275
y=275/5
y=55
x=95-55
x=40
40ladite
55 lazi

11 5 11
2014-11-19T10:10:48+02:00
X=nr ladite y=nr lazi      x+y=95⇒y=95-x 7x+12y=940  7x+12*95-12x=940    1140-940=5x x=200:5= 40 ladite iar y=95-40=55 lazi 
8 3 8