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The second side of a triangle is 3 more than the first side. The third side is 10 less than 3 times the first side. If the perimeter is 23cm, find the length of the shortest side.
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Can you show me how to write this out please
Always draw a picture first. |dw:1375518734568:dw|
(x+3)
ok
perimeter is 23cm, so add all the sides up and make it = 23, find f (or x, whatever you use).
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5f+
5f+7=P
5f=7=23cm
|dw:1375518943439:dw|
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