lo3600
lo3600 lo3600
  • 17-11-2020
  • Mathematics
contestada

−6x + 5y = 16x + 4y = −10

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Аноним Аноним
  • 17-11-2020

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carolmartelotte2020 carolmartelotte2020
  • 16-12-2020

Answer:

    [tex]X=-\frac{5}{52}[/tex]

Step-by-step explanation:

[tex]-6x+5y=16x+4y=-10\\Let\\-6x+5y=-10(1)\\16x+4y=-10(2)\\8(1)+3(2):\\48x+48x+40y+12y=-80-30\\52y=-110\\y= -\frac{110}{52} =-\frac{55}{26}[/tex]

replace y into (1):

[tex]-6x+5(-\frac{55}{26})=-10\\-6x=-10-5(-\frac{55}{26} \\x= -\frac{5}{52}[/tex]

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