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14-（-12）+（-25)-17=
What's five out of 17 plus eight out of 12?
Five out of 17 plus eight out of 12
=-8-(5/17+7/12)
=-8 179 / 204
Eight out of nine is seven out of twelve
8/9x=7/12
7*9x=12*8
7*3x=4*8
21x=32
x=32/21
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