Lindseylou51 Lindseylou51

05-09-2017
Mathematics

contestada

The difference of twice a number and 7 is 9

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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

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sarahphan2003 sarahphan2003

05-09-2017

The answer is 8. Twice of 8 is 16. 16- 7 is 9

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