jossy14 jossy14

31-01-2015
Mathematics

contestada

how do i do this??

9x-4=7-2x

Respuesta :

31-01-2015

9x-4=7-2x /+2x
11x-4=7 /+4
11x=11 /:11
x=1

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Аноним Аноним

31-01-2015

[tex]9x-4=7-2x\\ 9x+2x=7+4\\ 11x=11\\ x=\frac { 11 }{ 11 } \\ x=1[/tex]

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