Solve the system by substitution.y, equals, 6, xy=6xy, equals, 3, x, plus, 21y=3x+21
Question
Solve the system by substitution.y, equals, 6, xy=6xy, equals, 3, x, plus, 21y=3x+21
Solution
Claro, vamos a resolver el sistema de ecuaciones por sustitución paso a paso.
Dado el sistema de ecuaciones:
Paso 1: Sustituir la ecuación (1) en la ecuación (2).
Dado que , sustituimos en la ecuación (2):
Paso 2: Resolver para .
Restamos de ambos lados de la ecuación:
Dividimos ambos lados de la ecuación por 3:
Paso 3: Sustituir el valor de en la ecuación (1) para encontrar .
Usamos la ecuación :
Por lo tanto, la solución del sistema de ecuaciones es:
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