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ABCD is a square. AB=5x + 8 and AD = 3x + 12. Find X

2 answers

AB: (5 * 2) + 8 = 18
AD: (3 * 2) + 12 = 18
So, x = 2.

Tessa has proven that x=2, but to find that out, you just need to remember that the sides of a square are all the same length. So,
5x+8 = 3x+12
solving that will show that x=2

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