Question

2x + 8y = -2
X – 2y = 5
Resultado plis:3

Answer 1

Explicación paso a paso:

$2x + 8y = - 2 \\ x - 2y = 5 \\ 2x + 8y = - 2(1) \\ x - 2y = 5( - 2) \\ 2x + 8y = - 2 \\ - 2x + 4y = - 10 \\ 12y = - 12 \\ y = \frac{ - 12}{12} \\ y = - 1 \\ x - 2y = 5 \\ x - 2( - 1) = 5 \\ x + 2 = 5 \\ x = 5 - 2 \\ x = 3$