Respuesta :

we have

WV = 5x -- 5

WY = 20

and WV = 1/2 WY

So

[tex]\begin{gathered} WV=\frac{1}{2}WY \\ 5x-5=\frac{1}{2}(20) \\ 5x-5=10 \\ 5x-5+5=10+5 \\ 5x=15 \\ \frac{5x}{5}=\frac{15}{5} \\ x=3 \end{gathered}[/tex]

answer: x = 3

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