02-10-2014
Mathematics

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write an equation with the solution x=20??

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02-10-2014

let's just start with x=20 and then do some algebra to it to make it all complicated
x = 20
2 * x = 2 * 20
2x = 40
2x - 13 = 40 - 13
2x - 13 = 27

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