QuestionEvaluate $5 x-\frac{x}{y}$ when $x=4$ and $y=2$

Studdy Solution

STEP 1

1. The expression to evaluate is $5x - \frac{x}{y}$ .
2. The values given are $x = 4$ and $y = 2$ .
3. We will substitute these values into the expression and simplify.

STEP 2

1. Substitute the given values of $x$ and $y$ into the expression.
2. Simplify the expression.

STEP 3

Substitute $x = 4$ and $y = 2$ into the expression $5x - \frac{x}{y}$ :
$5(4) - \frac{4}{2}$

STEP 4

First, calculate $5 \times 4$ :
$5 \times 4 = 20$
Next, calculate $\frac{4}{2}$ :
$\frac{4}{2} = 2$
Now substitute these results back into the expression:
$20 - 2$
Finally, perform the subtraction:
$20 - 2 = 18$
The evaluated result is:
$\boxed{18}$

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