Question

3×+5y=9 & 5×+3y=7 than what is the value of ×+y ?​

Answer 1

2

Step-by-step explanation:

given,

3x+5y=9 ------ (1)

5x+3y=7 ------ (2)

(1)+(2)

3x+5y=9

(+) 5x+3y=7

____________

8x+8y=16

8(x+y)=16

x+y =16/8

x+y=2