Question

X+2y=12
6x-2y=44 me ajudem pfv

Answer 1

{X+2y=12 ===> y=12-x/2

{6x-2y=44

----------------- (+)

7x = 56

x = 8 ✓ =====> y=12-8/2=4/2= 2 ✓

Answer 2

Resposta:

Somamos as funções:

$7x + 2y - 2y = 54 \\ 7x = 56 \\ x = 8$

$8 + 2y = 12 \\ 2y = 4 \\ y = 2$