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02-06-2017
Mathematics

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Show how you solve the following two equations:
x – 15 = 32
x – 7.2 = 23.1

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Аноним Аноним

02-06-2017

х - 15 = 32
х = 32 + 15
x = 47 (answer)
-----------------------
47 - 15 = 32
32 = 32

х - 7.2 = 23,1
х = 23,1 + 7.2
х = 30,3 (answer)
---------------------------
30,3 - 7,2 = 23,1
23,1 = 23,1

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