Question

sea x = 2y+ 5,si x = 8 entonces y=​

Answer 1

Explicación paso a paso:

$x = 2y + 5 \\ 8 = 2y + 5 \\ 8 - 5 = 2y \\ 3 = 2y \\ y = \frac{3}{2}$

$2 \times \frac{3}{2} + 5 = \frac{6}{2} + 5 = 3 + 5 = 8$

espero te sirva