Question

If 15x+17x=21 and 17x+15x=11 then find the value of x+y.

Answer 1

Answer:

the value of x+y is 1

Step-by-step explanation:

Add both the equations and then divide through by 32

Answer 2

Answer:

Step-by-step explanation:

15x+17y=21......(1)

17x+15y=11.......(2)

Add equation (1) - (2)

32x+32y=32

Dividing both sides by 32 ,

X+y=1