nos edjhdhdbshsmabshs
Explicación paso a paso:
[tex]x - 6 = \frac{x + 9}{2} \\ 2(x - 6) = x + 9 \\ 2x - 12 = x + 9 \\ 2x - x = 9 + 12 \\ x = 21[/tex]
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nos edjhdhdbshsmabshs
Explicación paso a paso:
[tex]x - 6 = \frac{x + 9}{2} \\ 2(x - 6) = x + 9 \\ 2x - 12 = x + 9 \\ 2x - x = 9 + 12 \\ x = 21[/tex]