Bearpaw24
Bearpaw24 Bearpaw24
  • 24-02-2017
  • Mathematics
contestada

Solve using elimination method.
3x+3y=0
2x-2y=-8

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stjblotuss stjblotuss
  • 28-02-2017
-2{3X + 3Y =0            Substitute 3x +3(2/3) = 0
                                                   3x = 2/1=0
3{2X - 2Y = -8                             x= -2/3


-6X + -6Y =0
6X  = -6Y=-8
______________
          -12Y=-8
            
           Y=2/3 
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