Lindseylou51 Lindseylou51
  • 05-09-2017
  • Mathematics
contestada

The difference of twice a number and 7 is 9

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kphung76127
kphung76127 kphung76127
  • 05-09-2017
2x-7=9

Add 7 to both sides
2x=16

Divide both sides by 2
x=8

Final answer: The number is 8
Answer Link
sarahphan2003 sarahphan2003
  • 05-09-2017
The answer is 8. Twice of 8 is 16. 16- 7 is 9
Answer Link

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