Question

If 15 X + 17 y equal to 21 and 17 X + 15 y equal to 11 then find the value of x + y

Answer 1

Answer:

Step-by-step explanation:

15X+ 17Y=21.......EQ.1

17X + 15Y=11.......EQ.2

BY ADDING EQ.1 AND EQ.2 WE GET

32X+32Y=32

OR,X+Y=1

Answer 2

Answer:

It is the method of finding