Question

4. If x+2y=5 and 2x+y=7 then find the value of x+y​

Answer 1

Answer:

4

Step-by-step explanation:

x= 5-2y

putting value of x in equation 2

2(5-2y) +y =7

10-4y+y=7

10-3y=7

10-7 = 3y

3 = 3y

y= 1

x= 5-2(1)

x= 5-2

x= 3

x+y = 3+1

x+y = 4