Question

{6X - 3Y= 12}
{4X+3Y= -2}

Answer 1

Resposta:

$6x - 3y = 12$

$4x + 3y = - 2$

$10x = 10$

$x = 1$

$6 - 3y = 12$

$- 3y = 6$

$y = - 2$

$6 - 3 \times ( - 2) = 12$

$6 + 6 = 12$

$4 + 3 \times ( - 2) = - 2$

$4 - 6 = - 2$

$x = 1$

$y = - 2$