Bowers Moran
04/25/2023 · Elementary School
\( \left\{\begin{aligned} x-2 y+4 z & =12 \\ 4 x-y-z & =9\end{aligned}\right. \) b) \( \left\{\begin{aligned} 2(x+2 y-5) & =z+6 \\ 4(x+y-4) & =z+2\end{aligned}\right. \)
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Para resolver los sistemas de ecuaciones proporcionados, primero despejas una variable y luego sustitúes en las otras ecuaciones para obtener una nueva ecuación. Finalmente, resuelves el sistema resultante para encontrar los valores de las variables. En el sistema b, puedes despejar \( z \) en ambas ecuaciones y luego igualar las expresiones para \( z \) para encontrar \( x \) y \( y \).
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