2x+(-7)=13

Question

Asked 11/25/2014 9:56:51 AM

Updated 11/25/2014 10:57:43 AM

2 Answers/Comments

This conversation has been flagged as incorrect.

Flagged by alfred123 [11/25/2014 10:57:39 AM]

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2x + (-7) = 13

2x - 7 = 13;

2x = 13 + 7;

2x = 20;

x = 20/2;

x = 10

2x - 7 = 13;

2x = 13 + 7;

2x = 20;

x = 20/2;

x = 10

Added 11/25/2014 10:56:39 AM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [11/25/2014 12:46:58 PM]

8

3x + 10 = -17

3x = -17 - 10;

3x = -27;

x = -27/3;

x = -9

3x = -17 - 10;

3x = -27;

x = -27/3;

x = -9

Added 11/25/2014 10:57:43 AM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [11/25/2014 12:47:27 PM]

-2x+(-9)=-21

Question

Updated 11/25/2014 11:43:33 AM

1 Answer/Comment

-2x + (-9) = -21;

-2x - 9 = -21;

-2x = -21 + 9;

-2x = -12;

x = -12/-2;

x = 6

-2x - 9 = -21;

-2x = -21 + 9;

-2x = -12;

x = -12/-2;

x = 6

Added 11/25/2014 11:43:33 AM

This answer has been confirmed as correct and helpful.

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