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16-03-2022
Mathematics

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The length of one side of a triangle is x. Another side is two more than x while the third side is one less than x. If the perimeter is 13, what is x?

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16-03-2022

Answer: x = 4

Step-by-step explanation:

Side # 1: x

Side #2: x + 2

Side #3: x - 1

x + 2+x + x-1 = 13

3x + 1 = 13

3x = 12

x = 4

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