What is the solution of 2(x + 4) - x = 15?
A. x = 7
B. x = 11
C. x = 19
D. x = 23

Question

Asked 10/20/2013 3:19:47 PM

Updated 6/19/2014 11:35:26 AM

4 Answers/Comments

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Flagged by yeswey [6/19/2014 11:29:58 AM]

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Question

Asked 10/20/2013 3:19:47 PM

Updated 6/19/2014 11:35:26 AM

4 Answers/Comments

This conversation has been flagged as incorrect.

Flagged by yeswey [6/19/2014 11:29:58 AM]

Rating

3

2(x + 4) - x = 15

2x + 8 - x = 15

x + 8 = 15

x = 15 - 8 = 7

2x + 8 - x = 15

x + 8 = 15

x = 15 - 8 = 7

Added 6/19/2014 11:29:48 AM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [6/19/2014 11:33:51 AM]

3

The solution of the absolute value inequality |6x + 8| > -4 is all reals.

Added 6/19/2014 11:31:12 AM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [6/19/2014 11:34:50 AM]

3

5a + 12 < 2

5a < 2 - 12

5a < -10

a < -2;

5a - 12 < 3

5a < 3 + 12

5a < 15

a < 3

The solution for 5a + 12 < 2 and 5a - 12 < 3 is a < -2

5a < 2 - 12

5a < -10

a < -2;

5a - 12 < 3

5a < 3 + 12

5a < 15

a < 3

The solution for 5a + 12 < 2 and 5a - 12 < 3 is a < -2

Added 6/19/2014 11:34:26 AM

This answer has been confirmed as correct and helpful.

Confirmed by jeifunk [6/30/2014 10:50:00 AM]

3

-(x + 1) - 5 > 10

-x - 1 - 5 > 10

-x - 6 > 10

-x > 10 + 6

-x > 16

x < -16

-x - 1 - 5 > 10

-x - 6 > 10

-x > 10 + 6

-x > 16

x < -16

Added 6/19/2014 11:35:26 AM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [6/19/2014 11:44:28 AM]

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