Ed0uanisanoleph Ed0uanisanoleph

16-03-2017
Mathematics

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If 9 were subtracted from three times a number, the result would be the same as if 4 were added to twice the number. what is the number?

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Chaser15 Chaser15

17-03-2017

3x-9=2x+4
3x-9+9=2x+4+9
3x=2x+13
3x-2x=2x-2x+13
x=13
Check:
3(13)-9=2(13)+4
39-9=26+4
30=30

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