Question

Choose the correct alternative answers for the following questions.
(i) If 3x + 5y = 9 and 5x + 3y = 7 then What is the value of x + y?
(A) 2
(B) 16
(C) 9 (D) 7​

Answer 1

Answer:

Option A is the answer

Step-by-step explanation:

Given equations are

3x+5y =9 -------(1)

5x+3y=7 --------(2)

On adding (1)&(2) then

3x+5y =9

5x+3y=7

(+)

_________

8x+8y=16

_________

now 8(x+y)=16

=>x+y

=16/8

x+y=2

Answer:-

The value of x+y=2