Question

e system by substitution.
$x = -2y$
$2x + 3y = 5$

Explanation:

Step1: Sustituir $x=-2y$ en la segunda ecuación

$2(-2y) + 3y = 5$

Step2: Simplificar y resolver para $y$

$-4y + 3y = 5$
$-y = 5$
$y = -5$

Step3: Calcular $x$ usando $y=-5$

$x = -2(-5)$
$x = 10$

Answer:

$x=10$, $y=-5$