Question

Resolva o Sistema 3x + y = 8 2x - 2y = 0

Answer 1

$\left \{ {{3x + y= 8} \atop {2x-2y=0}} \right. \left \{ {{6x + 2y=16} \atop {2x-2y=0}} \right. Logo, x= 2 e y=2$