Question

if 3x +4y = 10 ; 4x + 3y = 11 then find the value of (x+y)​

Answer 1

Answer:

(x+y)=3

Step-by-step explanation:

3x +4y = 10

x=2

y=1

3*2+4*1=10

6+4=10

similarly, 4x + 3y = 11

4*2+3*1=11

8+3=11

x+y

2+1 (substitute values)

=3

Answer 2

Answer:

x + y =3

Step-by-step explanation:

Refer the image for further Explanation