# At a certain time of day, a tree that is x feet tall casts a shadow that is x − 21 meters

**Question description**

At a certain time of day, a tree that is

xfeet tall casts a shadow that is

x−21 meterslong. If the distance from the top of the tree to the end of the shadow is

x+6 meters, what is the height,

x, of the tree?

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