bongo216
bongo216 bongo216
  • 17-06-2014
  • Mathematics
contestada

7x-8x+4=5x-2 solve for x

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Ryan2
Ryan2 Ryan2
  • 17-06-2014
7x - 8x + 4 = 5x - 2

7x - 8x - 5x = -2 - 4

-6x = -6

x = 1
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Аноним Аноним
  • 17-06-2014
[tex]7x-8x+4=5x-2 \\ 4+2=5x-7x+8x \\ 6=6x \\ 6/6=x \\ 1=x[/tex]
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