Question

$x + y = 4$
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Answer 1

$\huge \purple {Answer:-}$

x+y= 4

Here, value of x= 4-y

Value of y= 4-x

$\boxed {Hope \: it \: helps}$

Answer 2

Answer:

$x + y - 4 = 0 \\ \\ is \: right \: answer$