Evaluate expression

If x=2, y=-5 and z=3 what is the value of x-2y

Correct answer:

v =  12

Step-by-step explanation:

$$\begin{gathered} x=2 \\ y=-5 \\ z=3 \\ v=x-2\cdot y=2-2\cdot (-5)=12 \end{gathered}$$

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