Math, asked by palakgupat331, 1 month ago

find the value of x+y if 15x-17y=11 and 17x-15y=21.

Answers

Answered by mundrakol

0

Answer:

5

Step-by-step explanation:

on subtracting them,

17x-15y = 21

-15x+17y= -11

--------------------

2x+2y = 10

2(x+y) = 10

x+y = 5

Answered by khatoonjarina928

0

17x-15y = 21

-15x+17y=-11

2x+2y = 10

2(x+y) = 10

x+y = 5

Previous Question

Next Question

Similar questions

Math, 18 days ago

factorize a³-b³-a+b ...

Art, 18 days ago

Poster on save environment...

History, 18 days ago

At the time of signing how many articles and schedules did the Constitution consist of?

Math, 1 month ago

the internal bisectors of B and C of a triangle ABC bisects at O. Prove that BOC= 90o + 1/2 A...

Physics, 1 month ago

where do field lines originate of a magnetic field thorugh and around a current carrying solenoid...

Math, 9 months ago

THE LOWEST FORM OF THE FRACTION 432 / 216...

English, 9 months ago

kapdon ko kido se bachane ke liye usmein Kapoor ki goliyan Kyon Dali Jaati Hai hindi mai ...

English, 9 months ago

How should abbreviations and acronyms look? (a) it should contain or dashes or periods (U.S.A., PhD) (b) it should not contain or dashes or periods(USA,PhD)...