Question

If 3x +5y = 9
and 5x +3y=7 then
What is the value of x+y​

Answer 1

Answer:

1) 3x + 5y = 9

x + 5y = 9/3

x + 5y = 3

x +y = 3-5

x + y = -2

2) 5x + 3y = 7

5x + y = 7 - 3

5x + y = 4

x + y = 4 /5

x+ y = 0.8

Answer 2

Value of x= 0.5

Value of y= 1.5

x+y=2

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