Question

If 5x + 4y = 13 and 4x+5y = 14, find the
Value of (x+y)​

Answer 1

Answer:

On the first equation x=1 and y=2. and In second equation x= 2 and y= 1. hope this will help you please mark me as brilliant

Answer 2

$5x + 4y = 13 \\ 4x + 5y = 14 \\ add \: both \: of \: them \\ 9x + 9y = 27 \\ 9(x + y) = 27 \\ x + y = \frac{27}{9} \\ x + y = 3$

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