vargasbri02 vargasbri02
  • 19-08-2018
  • Mathematics
contestada

what is 4x-29+5x-9=7x-10?

Respuesta :

gmany
gmany gmany
  • 19-08-2018

[tex] 4x-29+5x-9=7x-10\\\\(4x+5x)+(-29-9)=7x-10\\\\9x-38=7x-10\ \ \ \ |-7x\\\\2x-38=-10\ \ \ \ \ |+38\\\\2x=28\ \ \ \ |:2\\\\x=14 [/tex]

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