Respuesta :

jemuelgarcia88

Answer:

The first solution is wrong, the second one is correct.

Step-by-step explanation:

21x+5y=21(2)+5(1)= 42+5= 47 then,

4x-3y=4(2)-3(1) = 8-3= 5.

2 is for x, then 1 is for y.