Simplify: $x + 2 x + 3 x$

5

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5 x

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6

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6 x

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Solution

The correct option is B $6 x$
$x + 2 x + 3 x = 5 x$
$L . H . S = x + 2 x + 3 x$
$= 1 x + 2 x + 3 x$
$= x (1 + 2 + 3)$
$= 6 x \neq R . H . S$
The correct statement is $x + 2 x + 3 x = 6 x$

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