Question

b)
2x - 3y = 1
1 4x-3y = 11​

Answer 1

Resposta:

x=5/6

y=2/9

$- 3y = 1 - 2x \\ 14x + 1 - 2x = 11 \\ 12 \times = 10 \\ x = \frac{10}{12} = \frac{5}{6} \\ - 3y = 1 - 2 \times \frac{5}{6} \\ - 3y = 1 - \frac{5}{3} \\ - 3y = - \frac{2}{3} \\ y = \frac{2}{9}$