Question

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Answer 1

Respuesta:

$5 - 2y = 4 - 3y = y = - 1$

$2y + 3 = 7y - 15 = y = \frac{18}{5}$

$4y - 8 \times - 5 = - (3y - 5) = y = \frac{10}{7} + \frac{ 8}{7 } \times . \times$

$8 - (12 - 3y) - 2y = 8 = y = 12$

$7 + (7 - x) = 5x - (2 + 3 \times ) + 2 = \times = \frac{49}{23}$