Exercise v3.0

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Correct!

Create one variable named x, and one variable named y, then use the echo statement to output the sum of x and y.

@(2) = 5; @(2) = 7; @(4) @(2) + @(2);

$x = 5; $y = 7; echo $x + $y;

$y = 5; $x = 7; echo $x + $y;

$x = 5; $y = 7; echo $y + $x;

$y = 5; $x = 7; echo $y + $x;

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