solve similar triangles advanced
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Answer: 28/3
Step-by-step explanation:
Triangle ACB is similar to Triangle AED because of AA.
Therefore AB/BC = AD/DE
x/7 = (x+8)/13
We can cross-multiply.
13x = 7(x+8)
We can distribute the 7.
13x = 7x + 56
6x = 56
x = 28/3