Question

escuela preparatoria diurna
unidad academica del campus ii
academia de matematicas

1. \\(\

$$\begin{cases} 4y + 3x = 8 \\\\ 8x - 9y = -77 \\end{cases}$$

\\)

x =
y =

1. \\(\

$$\begin{cases} x - 5y = 8 \\\\ -7x + 8y = 25 \\end{cases}$$

\\)

x =
y =

Explanation:

Resolver el Sistema 3

$$
LATEXBLOCK0
$$

$$
LATEXBLOCK1
$$

$$ 59x = -236 \implies x = -4 $$

$$ 3(-4) + 4y = 8 \implies -12 + 4y = 8 \implies 4y = 20 \implies y = 5 $$

Resolver el Sistema 4

$$
LATEXBLOCK2
$$

$$
LATEXBLOCK3
$$

$$ -27y = 81 \implies y = -3 $$

$$ x - 5(-3) = 8 \implies x + 15 = 8 \implies x = -7 $$

Answer:

Question 3

\(x = -4\)
\(y = 5\)

Question 4

\(x = -7\)
\(y = -3\)