Questions: Evaluate the algebraic expression for the given values of the variables. 4x-y, for x=5 and y=2 4x-y= when x=5 and y=2.

Transcript text: Evaluate the algebraic expression for the given values of the variables. $4 x-y$, for $x=5$ and $y=2$ $4 x-y=$ $\square$ when $\mathrm{x}=5$ and $\mathrm{y}=2$.

Solution

Solution Steps

Step 1: Substitute the given values into the expression

Substitute $x = 5$ and $y = 2$ into the expression $4x - y$: \[ 4x - y = 4(5) - 2 \]

Step 2: Perform the multiplication

Calculate $4(5)$: \[ 4(5) = 20 \]

Step 3: Subtract the values

Subtract $2$ from $20$: \[ 20 - 2 = 18 \]

Final Answer

$\boxed{18}$

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