X - 3y and -3x - y subtract
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Answer:
4x -2y
Step-by-step explanation:
yard yd 1 yd = 36 in
1 yd = 3 ft
kilometer (metric) km 1 km is about 0.6 mi
a kilometer is shorter than a mile
a kilometer is a little more than half a mile
1 km = 1000 m
mile mi 1 mi is about 1.6 km
a mile is longer than a kilometer
a mile is a little more than one and a half kilometers
1 mi = 5,280 ft
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