Question

15x+17y =21 ; 17x+15 y =11 the find the value of x+y​

Answer 1

Answer:

y=3

y=3x=-2

Step-by-step explanation:

first add both the eq

32x + 32y = 32

x+y=1

now subtract

-2x+2y=10

-x+y=5

2y=6

y=3

x=-2