Question

{5x - 2y =13
{x - 2y =1

Answer 1

Resposta:

$x=3\\y=1$

Explicação passo a passo:

$\left \{ {{5x-2y=13} \atop {x-2y=1}} \right.\\\left \{ {{5x-2y=13} \atop {-x+2y=-1}} \right.\\4x=12\\x=\frac{12}{4}\\x=3\\\\x-2y=1\\3-2y=1\\-2y=1-3\\-2y=-2\\2y=2\\y=\frac{2}{2}\\y=1$