Question

If 3x+5y=9and 5x+3y=7 find the value of x+y

Answer 1

3x+5y=9.......1

5x+3y=7......2

Adding equation 2 to equation 1

8x+8y= 16

x+y=16/8

x+y=2. Answer

Answer 2

Answer: x+y=2

Step-by-step explanation: Given: 3x+5y=9......1

5x+3y=7.....2

adding eqn 1 frm 2

8x+8y=16

x+y=16/8

x+y=2

hope it helps you mydear frnd