Question

me ajudem a resolver os sistemas
(a){x=5y
x+y=12

Answer 1

x = 5y
x + y = 12

5y + y = 12
6y = 12
y = 12 ÷ 6
y = 2

x = 5y
x = 5 * 2
x = 10

Resposta: {10; 2}