Evaluate. -|-7 + 3|
Question
Updated 1/12/2015 8:55:41 AM
This conversation has been flagged as incorrect.
Flagged by jerry06 [1/12/2015 8:55:41 AM]
Original conversation
User: Evaluate. -|-7 + 3|

Weegy: Two Negatives would equal a positive so the equation would be 7+ -3= Which would equal a positive 4

Question
Updated 1/12/2015 8:55:41 AM
This conversation has been flagged as incorrect.
Flagged by jerry06 [1/12/2015 8:55:41 AM]
Rating
3
-|-7 + 3| = -|-4| = -4
Confirmed by jeifunk [1/12/2015 9:02:42 AM]

Questions asked by the same visitor
Solve |2x - 5| = 4.
Question
Updated 8/24/2014 3:46:36 PM
|2x - 5| = 4

2x - 5 = -4 or 2x - 5 = 4

2x - 5 = -4;
2x = -4 + 5;
2x = 1;
x = 1/2;

2x - 5 = 4;
2x = 4 + 5;
2x = 9;
x = 9/2;

x = 1/2 or x = 9/2
Confirmed by andrewpallarca [8/24/2014 3:46:37 PM]
Solve the following system of equations by the substitution method. "5x = y + 6," "2x - 3y = 4"
Question
Updated 9/14/2014 1:09:10 AM
janezshun, please make sure to clearly type your solutions by using proper spacing.
Hi andrew , for these question, Can I simplify or didn't use to add the calculation steps? I think I can't simplify it ,because the question asked to use the substitution method.
The solution for 5x = y + 6, 2x - 3y = 4 is x = 14/13, y = -8/13.
From 5x = y + 6 , we can get y = 5x - 6, which we can put it into the 2th equation.
2x - 3y = 4
2x - 3 (5x - 6) =4
-13x + 18 =4
x = 14/13

put x = 14/13 into the y = 5x - 6 , we can get the value of y
y= 5x - 6
y= 5*14/13 - 78/13
y= 70/13-78/13
y= - 8/13
Solve "4(x + 5) 13} C.{x | x > 7} D.{x | x < 13}
Question
Updated 168 days ago|12/3/2018 4:38:05 AM
4(x + 5) < 6x + 6 ;
4x + 20 < 6x + 6 ;
4x - 6x < 6 - 20 ;
-2x > -14 ;
x < -14/-2 ;
x < 7 ;
{x | x < 7}
Added 168 days ago|12/3/2018 4:38:05 AM
Evaluate. -|-7 + 3| A.-4 B.4 C.-10
Question
Updated 4/26/2014 6:54:44 PM
-|-7 + 3|;

-7 + 3 = -4
Simplify (5ab^4 c)(-abc^2).
Question
Updated 6/6/2015 12:20:43 PM
(5ab^4 c)(-abc^2)
= -5a^2b^5c^3
Confirmed by jeifunk [6/6/2015 12:20:39 PM]
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