geometry
posted by Anonymous .
the perimeter of a triangle is 48 cm. The length of one side is 7 cm more than the length of the shortest side, and the length of the other side is 5 more than twice the shortest side. Find the shortest side.

x + 7 + 2x + 5 + x = 48
4x + 12 = 48
4x = 36
x = 36/4
x = 9
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