Question

×-3y=1
-2+5y=13 resposta

Answer 1

x - 3y = 1
-2 + 5y = 13

-2 + 5y = 13
5y = 13 + 2
5y = 15
y = 15/5 = 3

Y = 3

x - 3 . 3 = 1
x - 9 = 1
x = 1 + 9 = 10

x = 10 e y = 3