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Find the solution to the system of equations on the graph 𝑦=2𝑥+3 and 𝑦=−𝑥−3Group of answer choices(0,−3)(−2,−1)Impossible to determine from graph.(−3,0)

Question

Find the solution to the system of equations on the graph 𝑦=2𝑥+3 and 𝑦=−𝑥−3Group of answer choices(0,−3)(−2,−1)Impossible to determine from graph.(−3,0)

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Solution

Para encontrar la solución al sistema de ecuaciones dado por y=2x+3 y = 2x + 3 y y=x3 y = -x - 3 , debemos encontrar el punto de intersección de las dos rectas en el plano cartesiano. Aquí están los pasos:

  1. Igualar las ecuaciones: Como ambas ecuaciones están igualadas a y y , podemos igualarlas entre sí para encontrar el valor de x x . 2x+3=x3 2x + 3 = -x - 3

  2. Resolver para x x : 2x+x=33 2x + x = -3 - 3 3x=6 3x = -6 x=2 x = -2

  3. Sustituir x x en una de las ecuaciones para encontrar y y : Usamos la primera ecuación y=2x+3 y = 2x + 3 : y=2(2)+3 y = 2(-2) + 3 y=4+3 y = -4 + 3 y=1 y = -1

  4. Encontrar el punto de intersección: El punto de intersección es (2,1) (-2, -1) .

Por lo tanto, la solución al sistema de ecuaciones es (2,1) (-2, -1) .

This problem has been solved

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