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Solve this system of equations using substitution method.Must show work/steps on your work page {𝑦=3𝑥−44𝑥+3𝑦=1(, )

Question

Solve this system of equations using substitution method.Must show work/steps on your work page {𝑦=3𝑥−44𝑥+3𝑦=1(, )

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Solution

Claro, vamos a resolver el sistema de ecuaciones utilizando el método de sustitución paso a paso.

Dado el sistema de ecuaciones:

  1. y=3x4 y = 3x - 4
  2. 4x+3y=1 4x + 3y = 1

Paso 1: Sustituir la ecuación (1) en la ecuación (2)

De la ecuación (1), sabemos que y=3x4 y = 3x - 4 . Sustituimos y y en la ecuación (2):

4x+3(3x4)=1 4x + 3(3x - 4) = 1

Paso 2: Simplificar la ecuación resultante

4x+9x12=1 4x + 9x - 12 = 1 13x12=1 13x - 12 = 1

Paso 3: Resolver para x x

13x12=1 13x - 12 = 1 13x=1+12 13x = 1 + 12 13x=13 13x = 13 x=1313 x = \frac{13}{13} x=1 x = 1

Paso 4: Sustituir x x en la ecuación (1) para encontrar y y

Usamos la ecuación (1) y=3x4 y = 3x - 4 :

y=3(1)4 y = 3(1) - 4 y=34 y = 3 - 4 y=1 y = -1

Paso 5: Escribir la solución del sistema

La solución del sistema de ecuaciones es: x=1 x = 1 y=1 y = -1

Por lo tanto, la solución es (1,1) (1, -1) .

This problem has been solved

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