Question

2x+ 0,5y=2 3х-2у=-1 ​

Answer 1

$2x + 0.5y = 2 | \: \times 4 \\ 3x - 2y = - 1 \\ \\ \\ \\ \\ 8x + 2y = 8 \\ 3x - 2y = - 1 \\ \\ \\ \\ \\ 11x = 7 \\ \\ x = \frac{7}{11} \\ \\ = > 3 \times \frac{7}{11} - 2y = - 1 \\ \\ \frac{21}{11 } - 2y = - 1 \\ \\ - 2y = - \frac{32}{11} \\ \\ y = \frac{16}{11}$

Răspuns:

x=7/11; y=16/11