Respuesta :

12.
Elaine=X
Tyler=X+8
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[tex]x + (x + 8) = 34 \\ x + x + 8 = 34 \\ 2x + 8 = 34 \\ 2x = 34 - 8 \\ 2x = 26 \\ x = 13 \\ x + 8 = 21[/tex]
Elain=13
Tyler=21