Question

3x+4y=11;4x+3y=10 than find a x+y=?​

Answer 1

Step-by-step explanation:

hope so this will help you

Answer 2

Answer:

= x + y

= 1 + 2

= 3

Step-by-step explanation:

3x + 4y = 11______(1)

4x + 3y = 10______(2)

Multiplying eq. 1 by 3 and eq. 2 by 4

9x + 12y = 33_______(3)

16x + 12y = 40_______(4)

Solving eq. 3 and 4

-7x = -7

x = -7/-7 = 1

Putting value of x in eq. 1

3x + 4y = 11

3×1 + 4y = 11

3 + 4y = 11

4y = 11 - 3

4y = 8

y = 8/4 = 2

Finding value of x + y

= x + y

= 1 + 2

= 3