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26-09-2017
Mathematics

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4 times the difference of a number and 3 is 4 less than 3 times the number

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Аноним Аноним

26-09-2017

4 (x-3)=3x-4

4x-12=3x-4
4x-12-3x=3x-4-3x
x-12=-4
x-12+12=-4+12
x=8

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