Question and answer
solve for x 3x - (1/2) = 2x + (7/4)
Question
Asked 9/12/2012 6:44:21 PM
Updated 12/9/2014 12:48:17 AM
1 Answer/Comment
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User: One number is 8 more than another number. If the sum of the smaller number and twice the larger number is 46, find the two numbers.

User: solve for x 3x - (1/2) = 2x + (7/4)

Weegy: x = 27/4
javedsarkar|Points 1015|

User: solve for x 2x + 3(4 - x) = 3x + 2

Weegy: Here's the solution:3x - 5 < 4 ; x < (4+5)/3 ; x < 3 Answer x< 3. [smile]
feurem|Points 1965|

User: solvel for x x2 - 3x - 4 = 0

Weegy: x2 - 3x - 7 = 0

x = 1/2 (3-sqrt(37))
x = 1/2 (3+sqrt(37))


User: solve for x: x2 - 3x - 4 = 0

Weegy: Here's the solution:3x - 5 < 4 ; x < (4+5)/3 ; x < 3 Answer x< 3. [smile]
feurem|Points 1965|

User: add: 9x4 -3x2 and 4x2+5

User: add: 9x4 -3x2

User: multiply (x3 - 6x2 + 3x - 1) ÷ (x - 5)

User: factpofactor 3x2 - 4x - 4

Weegy: (3x-1)(-2x-1)
mediatrix|Points 10|

User: factor 3x2 - 4x - 4

Weegy: It is: x = -7. [smile]
stan_r|Points 1332|

User: Maria bought 56 stamps at the post office. The stamps were 37 cents and 20 cents. If she paid $18 for the stamps, how many of each denomination did she buy?

Question
Asked 9/12/2012 6:44:21 PM
Updated 12/9/2014 12:48:17 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
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3
One number is 8 more than another number. Let x be one number, the other is x + 8. If the sum of the smaller number and twice the larger number is 46, then: x + 2(x + 8) = 46, x + 2x + 16 = 46, 3x = 46 - 16 = 30, x = 30/3 = 10. The two numbers are 10 and 18 respectively.
Added 12/9/2014 12:31:13 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/9/2014 6:45:33 AM]
3
3x - (1/2) = 2x + (7/4)
3x - 2x = (7/4) + (1/2)
x = 9/4 = 2 1/4
Added 12/9/2014 12:32:30 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/9/2014 6:46:40 AM]
3
2x + 3(4 - x) = 3x + 2
2x + 12 - 3x = 3x + 2
-x + 12 = 3x + 2
-x - 3x = 2 - 12
-4x = -10
x = -10/-4 = 2.5
Added 12/9/2014 12:33:58 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/9/2014 6:47:06 AM]
3
x^2 - 3x - 4 = 0
(x - 4)(x + 1) = 0
x = 4 or x = -1
Added 12/9/2014 12:35:26 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/9/2014 6:47:39 AM]
3
(9x^4 - 3x^2) + (4x^2 + 5)
= 9x^4 - 3x^2 + 4x^2 + 5
= 9x^4 + x^2 + 5
Added 12/9/2014 12:39:38 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/9/2014 6:48:29 AM]
3
3x^2 - 4x - 4 = (x - 2)(3x + 2)
Added 12/9/2014 12:47:30 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [12/9/2014 6:49:12 AM]
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