Question 1114764
the angle bisector divides the side of the triangle, proportionally 
:
5/x = 7/(8-x)
:
cross multiply the fractions
:
5(8-x) = 7x
:
40 -5x = 7x
:
12x = 40
:
x = 40/12 = 10/3
:
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answer is 3 and 1/3
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