jossy14
jossy14 jossy14
  • 31-01-2015
  • Mathematics
contestada

how do i do this??

9x-4=7-2x

Respuesta :

eu99li
eu99li eu99li
  • 31-01-2015
9x-4=7-2x        /+2x
11x-4=7          /+4
11x=11      /:11
x=1
Answer Link
Аноним Аноним
  • 31-01-2015
[tex]9x-4=7-2x\\ 9x+2x=7+4\\ 11x=11\\ x=\frac { 11 }{ 11 } \\ x=1[/tex]
Answer Link

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