lukelund2323 lukelund2323
  • 03-10-2017
  • Mathematics
contestada

graph and solve the system 3x=4y+x 4y=-x+3

@Emma11234

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Emma11234
Emma11234 Emma11234
  • 03-10-2017
3x=4y+x minus x
3x-x=4y+x-x
2x=4y but 4y=-x+3
2x=-x+3 plusx
2x+x=-x+3+x
3x=3 devision by 3
3x/3=3/3
x=1
==> 4y=-x+3
4y=-1+3
4y=2 devision by 4
4y/4=2/4
y=2/4=1/2=0,5
SO THAT'S MEANS x=1 , y=0,5
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