Respuesta:
[tex]x - y = 40 \\ \frac{1}{ 8}( x + y) = 11 \\ - - - - - - - - - \\ x - y = 40 \\ x + y = 88 \\ - - - - - - - - - [/tex]
[tex]2x = 128 \\ x = 64[/tex]
reemplazando,
[tex]x + y = 88 \\ y = 88 - 64 \\ y = 24[/tex]
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Verified answer
Respuesta:
[tex]x - y = 40 \\ \frac{1}{ 8}( x + y) = 11 \\ - - - - - - - - - \\ x - y = 40 \\ x + y = 88 \\ - - - - - - - - - [/tex]
[tex]2x = 128 \\ x = 64[/tex]
reemplazando,
[tex]x + y = 88 \\ y = 88 - 64 \\ y = 24[/tex]