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Solve: z - 6.68 = 7.47
z - 6.68 = 7.47; z = 7.47 + 6.68; z = 14.15
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Asked 9/26/2010 12:14:50 PM
Updated 4/13/2014 8:34:42 AM
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z - 6.68 = 7.47;

z = 7.47 + 6.68;

z = 14.15
Added 4/13/2014 8:34:42 AM
This answer has been confirmed as correct and helpful.
Comments
z=14.15
Added 9/26/2010 1:20:13 PM
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10x - 2 + 3x = 13x -2

9(a+8) - 5(a-10) = 9a + 72 - 5a + 50 = 4a + 122

Note: Multiplication of the same sign is positive (+).
Added 9/26/2010 3:00:30 PM
9(a + 8) - 5 (a - 10);

9a + 72 - 5a + 50

= 4a + 122
Added 4/30/2014 4:07:54 PM
This answer has been confirmed as correct and helpful.
Add the following: (5x2 + x + 7) + (3x2 - 4x + 3)
Weegy: Did you copy this problem correctly. Are you by chance missing an = sign? (More)
Question
Expert Answered
Updated 6/26/2014 6:22:30 PM
1 Answer/Comment
(5x^2 + x + 7) + (3x^2 - 4x + 3)

= 5x^2 + 3x^2 + x - 4x + 7 + 3;

= 8x^2 - 3x + 10
Added 6/26/2014 6:22:30 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/26/2014 10:00:16 PM]
Multiply:(5x + 1)(2x - 2)
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Updated 12/1/2014 6:13:31 AM
1 Answer/Comment
(5x + 1)(2x - 2)

= 10x^2 - 10x + 2x - 2;

= 10x^2 - 8x - 2
Added 12/1/2014 6:13:31 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/1/2014 6:23:50 AM]
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