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x – 7 > 10 **Weegy:** x – 7 > 10
x > 10 +7
x > 17 (More)

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Updated 305 days ago|7/2/2014 1:10:11 AM

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3x = 21 **Weegy:** 5x - 3 + 3x = 21 ;
5x + 3x = 21 + 3 ;
8x = 24 ;
x = 3
So the value of x is 3. **User:** 6n – 3 > –18 **Weegy:** n > -5/2 (More)

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Expert Answered

Updated 313 days ago|6/23/2014 2:59:58 PM

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3x = 21

x = 21/3

x = 7

x = 21/3

x = 7

Added 313 days ago|6/23/2014 2:59:58 PM

This answer has been confirmed as correct, not copied, and helpful.

Confirmed by andrewpallarca [6/23/2014 3:06:27 PM]

3s + 6 = –5(s + 2) User: On a trip from Williamsburg, Virginia, to Orlando, Florida, a family wants to travel at least 250 miles in the first 5 hours of driving. What should their average speed in miles per hours (mph) be to meet their goal?

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Updated 22 days ago|4/10/2015 9:36:36 AM

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3s + 6 = –5(s + 2)

3s + 6 = -5s - 10

3s + 5s = -10 - 6

8s = -16

s = -16/8

s = -2

3s + 6 = -5s - 10

3s + 5s = -10 - 6

8s = -16

s = -16/8

s = -2

Added 22 days ago|4/10/2015 9:35:26 AM

This answer has been confirmed as correct, not copied, and helpful.

On a trip from Williamsburg, Virginia, to Orlando, Florida, a family wants to travel at least 250 miles in the first 5 hours of driving.

250/5=50

Their average speed to meet their goal should be 50 mph.

250/5=50

Their average speed to meet their goal should be 50 mph.

Added 22 days ago|4/10/2015 9:36:33 AM

This answer has been confirmed as correct, not copied, and helpful.

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