# How do you evaluate 3m-2x for m=5,x=4?

Oct 14, 2015

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#### Explanation:

The expression is $3 m - 2 x$

The values of the variables are $m = 5 , x = 4$

We substitute the provided values into the expression.

$3 m - 2 x = 3 \cdot \left(5\right) - 2 \cdot \left(4\right)$

$= 15 - 8$

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