हिंदी

If 12x +13y =29 and 13x +12y=21, Find X + Y. - Algebra

Advertisements
Advertisements

प्रश्न

If 12x +13y =29 and 13x +12y=21, find x + y.

उत्तर

The given equations are

12x+13y=29…(i)

13x+12y=21…(ii)

Add (i) and (ii), we get

12x + 13y =29

13x + 12y =21

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

25x + 25y =50

25(x+y) = 50

x + y = 2

shaalaa.com
Linear Equation in Two Variables
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2014-2015 (March)
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×