rixster rixster
  • 14-07-2018
  • Mathematics
contestada

if x-12y=-210 and x-6y=90 solve for x

Respuesta :

Аноним Аноним
  • 14-07-2018

Multiply the second equation by [tex] 2 [/tex] to get


[tex] 2x-12y=180 [/tex]


Now subtract the first equation from this to get


[tex] x = 390 [/tex]



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