Simplify x+4+(x-4)

$x + 4 + (x - 4)$

Step 1

Remove parentheses.

$x + 4 + x - 4$

Step 2

Combine the opposite terms in $x + 4 + x - 4$ .

Subtract $4$ from $4$ .

$x + x + 0$

Add $x + x$ and $0$ .

$x + x$

$x + x$

Step 3

Add $x$ and $x$ .

$2 x$

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