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9x - 8 = 90
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Question
Asked 1/14/2015 7:46:57 AM
Updated 1/14/2015 8:07:29 AM
1 Answer/Comment
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9x - 8 = 90
Original conversation
User:
9x - 8 = 90
Weegy:
(9x + 4)(9x - 4)
= 81x^2 - 36x + 36x - 16;
= 81x^2 - 16
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Question
Asked 1/14/2015 7:46:57 AM
Updated 1/14/2015 8:07:29 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
New answers
Rating
3
yeswey
9x - 8 = 90
9x = 90 + 8 = 98
x = 98/9 = 10 8/9
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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
3
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
(More)
Question
Updated 1/18/2015 10:13:15 PM
1 Answer/Comment
3
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
3
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
(More)
Question
Updated 1/16/2015 9:52:27 AM
1 Answer/Comment
3
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]
2x - 10 =180
Weegy:
(2x - 1)(x + 5) = 0; 2x - 1 = 0; 2x = 0 + 1; 2x = 1; x = 1/2; x + 5 = 0; x = 0 - 5; x = -5; the solution set is (1/2, -5)
(More)
Question
Updated 1/16/2015 9:55:53 AM
1 Answer/Comment
3
alfred123
2x - 10 =180;
2x = 180 + 10;
2x = 190;
x = 190/2;
x = 95
Added 1/16/2015 9:55:53 AM
This answer has been confirmed as correct and helpful.
Confirmed by
andrewpallarca
[1/16/2015 10:03:31 AM]
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