Question

resolva o sistema ; 4x+2y=16 6x-2y=14

Answer 1

{4x+2y=16
{6x-2y=14
10x=30
x=30/10
x=3
6x-2y=14
6.3-2y=14
18-2y=14
-2y=14-18
-2y=-4.(-1)
2y=4
y=4/2
y=2
S={(3 ; 2)}