The scale on a map says that 6 cm represents 15 km. What distance on the map in centimeters represents 20 kilometers?
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2.)
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So y = -4.
3.)
Combine like terms:
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Isolate x --->
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So x = -2
4.)
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Combine like terms --->
This equation has many possible solutions.
5.)
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Combine like terms --->
---->
----->
So x = -1.
6.)
Distribute --->
This equation has many possible solutions.