jhonvillafane08
jhonvillafane08 jhonvillafane08
  • 07-04-2021
  • Mathematics
contestada

Combine the two equations and input the new equation in the box, 4x+8y=20 -4x+2y=-30

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delyth delyth
  • 07-04-2021
4x+8y-20=-4x+2y+30
4x+4x+8y-2y=30+20
8x+6y=50 /2
=> 4x+3y=25
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