Question

If 4x + 8y =12 and 8x + 4y = 24, then what is the value of x + y ? *
12
6
3​

Answer 1

Answer:

x + y =3

Step-by-step explanation:

4x + 8y =12----1

8x + 4y =24----2

Add equation 1 and 2

4x + 8y =12

8x + 4y =24

12x+12y=36] multiple by 12

. : x+ y = 3