jessiefrog2003p4v1ei jessiefrog2003p4v1ei
  • 26-08-2018
  • Mathematics
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a number increased by 7 is 2 less than twice the number

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TheBreeze
TheBreeze TheBreeze
  • 26-08-2018

n + 7 = 2n - 2

Add 2 to both sides:

n + 9 = 2n

Isolate n:

n = 9

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