1.

If 3x + 5y = 9 and 5x + 3y = 7, then what is the value of x + y?

Answer»

ong>Answer:

2

Step-by-step explanation:

3x + 5Y = 9———(i)

5X + 3y = 7———(ii)

adding eq (i) and (ii),

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

8x + 8y = 16

8 ( x + y ) = 16

x + y = 16

2

x + y = 2.



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