Question

{2a-5b=8
{4a+b=2
socorro me ajudem

Answer 1

a= 9/11
b= -14/11

$2 \times ( \frac{9}{11} ) - 5 \times ( - \frac{14}{11} ) = 8$
$4 \times ( \frac{9}{11} ) + ( - \frac{14}{11} ) = 2$