parmida
parmida parmida
  • 02-04-2015
  • Mathematics
contestada

X +Y+Z=8
6X+Y+5Z=41
WHAT IS X & Y & Z ?

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crisforp
crisforp crisforp
  • 02-04-2015
6x + y +5z = 41 
- x  - y  - z = - 8 
_____________(+)
5x        + 4z    = 33 ;
One solution is x = 5 and z = 2 ;
y = 8 - 5 - 2 = 1 ;


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