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Why is subtraction a necessary part of the long division algorithm? Write a paragraph.? A bicycle is on sale at 3/4 of its original price. If the sale price is $360, what was the original price? What Should be the title of essay written on myself? HELP ASAP! What type of Property of Equality are these two questions? 1. If x=y, then2x+3y = 2x+3x. 2. If a+b+c, then a=c-b.? Find the slope of the line passing thru point (3,7) and (-1,2).?