Question

if 13 x + 17 Y = 15 and 17 X + 13 Y = 45 then X + Y =​

Answer 1

Answer:

2

Step-by-step explanation:

13x+17y =15 - i

17x+13y=45 -ii

multiple i with 17 and multiple 13 with ii. we get y = -3 put it in equation i we get x=5 .by adding we get 2

Answer 2

if 13x+17y=15 and 17x+13y=45 then x+y=2