Question

$5 \times 1 - 4y + 9 = 0$
$\frac{1 - 1}{4} = \frac{y + 3}{5}$
Pliss resolverlas
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Answer 1

Respuesta:

primera: 7/2

$5 - 4y + 9 = 0 \\ - 4y = - 14 \\ y = \frac{14}{4} = \frac{7}{2}$

segunda: -12

$5(1 - 1) = 4(y + 3) \\ 0 = 4y + 12 \\ 4y = - 12 \\ y = - 3$