If $x = - 2$ , then find the value of the following algebraic expression.
$4 - 3 x$

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Solution

The given expression is $4 - 3 x$
Now substitute the value of $x = - 2$
$4 - 3 (- 2) \Rightarrow 4 + 6 = 10$
Hence the value of the expression is $10$

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