9x - 8 = 90

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9x - 8 = 90

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Asked 1/14/2015 7:46:57 AM

Updated 1/14/2015 8:07:29 AM

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User: 9x - 8 = 90

Weegy: (9x + 4)(9x - 4)

= 81x^2 - 36x + 36x - 16;

= 81x^2 - 16

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Asked 1/14/2015 7:46:57 AM

Updated 1/14/2015 8:07:29 AM

1 Answer/Comment

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yeswey

9x - 8 = 90
9x = 90 + 8 = 98
x = 98/9 = 10 8/9

Added 1/14/2015 8:07:26 AM

This answer has been confirmed as correct and helpful.

Confirmed by sujaysen [1/14/2015 8:09:03 AM]

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Questions asked by the same visitor

Is it possible to construct a triangle with side lengths of 15 inches, 17 inches, and 32 inches? Why or why not?

(More)

Question

Updated 1/10/2015 1:40:54 PM

1 Answer/Comment

yeswey

Is it possible to construct a triangle with side lengths of 15 inches, 17 inches, and 32 inches?
No, because 15 + 17 = 32

Added 1/10/2015 1:40:54 PM

This answer has been confirmed as correct and helpful.

Confirmed by andrewpallarca [1/10/2015 1:48:13 PM]

3x+3 = 7x - 5

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Question

Updated 1/18/2015 10:13:15 PM

1 Answer/Comment

yeswey

3x + 3 = 7x - 5
3x - 7x = -5 - 3
-4x = -8
x = -8/-4 = 2

Added 1/18/2015 10:13:15 PM

This answer has been confirmed as correct and helpful.

Confirmed by Andrew. [1/18/2015 10:14:30 PM]

2x - 11 = 2x - 2

Weegy: 2x - 3 = 9 2x = 9 + 3 2x = 12 x = 12/2 x = 6 (More)

Question

Updated 1/14/2015 7:58:57 AM

1 Answer/Comment

alfred123

2x - 11 = 2x - 2

2x - 2x = -2 + 11;

0 = 9 (FALSE)

NO SOLUTIONS EXIST

Added 1/14/2015 7:58:57 AM

This answer has been confirmed as correct and helpful.

Confirmed by sujaysen [1/14/2015 8:00:14 AM]

3y+9 = 180

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Question

Updated 1/16/2015 9:52:27 AM

1 Answer/Comment

alfred123

3y+9 = 180;

3y = 180 - 9;

3y = 171;

y = 171/3;

y = 57

Added 1/16/2015 9:52:27 AM

This answer has been confirmed as correct and helpful.

Confirmed by yumdrea [1/16/2015 9:55:51 AM]

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