noahtheking1210 noahtheking1210

12-02-2019
Mathematics

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What is the value of x?

see attachment below

What is the value of x see attachment below class=

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sqdancefan sqdancefan

12-02-2019

Answer:

x = 31

Step-by-step explanation:

The perimeter is the sum of the equal-length sides:

63 = (x -10) +(x -10) +(x -10)

63 = 3x -30 . . . . . . . . collect terms

21 = x -10 . . . . . . . . . . divide by 3

31 = x . . . . . . . . . . . . . add 10

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