1) 3x + 5y = 9 और 5x + 3y = 7 तो x +y का मान नि� – InterviewSolution

1.

1) 3x + 5y = 9 और 5x + 3y = 7 तो x +y का मान निम्नलिखित में से कौन-सा है ?

Answer» ONG>Answer:

3X + 5y = 9 — (1)

5X + 3y = 7 —(2)

(1) + (2)

(3x + 5y) + (5x + 3y) = 9+7

=> 8x + 8y = 16

=> 8(x+y) = 16

=> x+y = 16/8 = 2

Discussion

No Comment Found

Related InterviewSolutions

What is Rational Numbers ??Where are you Bunny ?? What happen Any Problem Bro ಠ︵ಠ
Observe the following table and find x is directly proportional
What is Rational Numbers ?Answer if ur boy ? Answer if ur Ashrith Im serious
ABCD is a parallelogram if the ratio sides 3,:2and perimeter is 120 m the find the length of the sides of the parallelogram
6. Find the area of the following polygohABCDEF where AP = 2 cm, AQ = 4 cm,AR = 6 cm, AD = 10 cm, AS = 8 cm, andBP, FQ, CR and ES are perpendiculars todiagonal AD
5y+10=4y-10 then what is the answer
*5. How do the prashastis written by Harisena and Ravikirti throw light on the history of theGuptas and Harshavardhana?
The product of two number is 27 /2 .If one number is 23/5,find the other. with solution
Evalute the expression given below for ( m = - 2 ) & ( n = 6 ) 3m³ + 2m²n + n³
Evalute the expression given below for ( m = - 2 ) & ( n = 6 )m² - n²