Question

if x+y =6:x-y=4 then value of x is ​

Answer 1

Answer:

add equation 1 and 2

we get 2x=10

x = 5

Answer 2

$x + y = 6.......(1) \\ x - y = 4........(2) \\adding \: equation \: (1) and\: (2)$

$2x = 10\ \\ x = \frac{10}{5} \\ x = 5$