Question

Me ajudem a resolver a equacao {x-2y=-16
{8x+3y=62

Answer 1

x-2y=-16 (3)
8x+3y=62   (2)

3x-6y=-48
16x+6y=124

3x+16x=-48+124
19x=76
X=76/19
X=4 

4-2y=-16
-2y=-16-4
-2y=-20 (-1)
2y=20
Y=20/2
Y=10 

X=4  Y=10 

Espero ter ajudado !