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2014-08-21T15:40:11+03:00
3x +4y +5z +27=59

5z +3x+4y =59-27

5z +3x +4y= 32
2 5 2
2014-08-21T15:42:58+03:00


3*x+4*y+5*z+27=59

⇒5*z+3*x+4*y=59-27=32

Sper ca raspunsul e corect si te-am ajutat!