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08-09-2014
Mathematics

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What's the answer to this math problem 3x+2/5 =7

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Аноним Аноним

08-09-2014

3x+2/5=7

3x+2/5=35/5

3x=35/5-2/5

3x=33/5

x=(33/5)/3

x=(33/5)/(3/1)

x=(33/5)*(1/3)

x=33/15

x=30/15+3/15=2+1/5

x=2.2

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