Question

If 12 x + 17 y is equals to 53 and 17 X + 12 y is equals to 63 then find the value of x + y

Answer 1

Answer:

Step-by-step explanation:

The given pair of equations is  12x + 17y = 53 ……..(i)

 17x + 12y = 63 …….(ii)

Adding (i) and (ii), we get

 29x + 29y = 116  ⇒ x + y = 4 (Dividing by 4)

 Hence, the value of x + y is