Step-by-step explanation: 15x+17y=21____(1) 17x+15y=11_____(2) equation(1)+equation(2) 15x+17y=21 + 17x+15y=11 _________ 32x+32y=32______(Divide by 32) Now, x+y=1_____(3) Therefore, x+y=1 . Reply
Step-by-step explanation:
15x+17y=21____(1)
17x+15y=11_____(2)
equation(1)+equation(2)
15x+17y=21
+ 17x+15y=11
_________
32x+32y=32______(Divide by 32)
Now, x+y=1_____(3)
Therefore, x+y=1 .