Add the terms: $7 x$ , $- 3 x$ .

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Solution

Given terms are: $7 x$ and $- 3 x$
The given terms are like terms. So we can add.
Adding the terms: $7 x + (- 3 x)$
= $7 x - 3 x$ ( Since $+ (-) = -$ )
$= 4 x$
Therefore, $7 x + (- 3 x)$ $= 4 x$ .

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