Questions on Algebra: Absolute value answered by real tutors!

Tutors Answer Your Questions about absolute-value (FREE)

Question 20459: 8-5(x-4) can be simplified to
8-5x-20
-5x-12

Click here to see answer by SpunkyMunky(2)

Question 20584: Paul can type 60 words per minute and Jennifer can type 80 words per mute. How does Paul's tying speed compare to Jennifer?
Click here to see answer by mmm4444bot(95)

Question 21435: -3x-9+7x=3x+6x
Click here to see answer by Alwayscheerful(414)

Question 6492: How do you solve this equation?
Click here to see answer by dabbie(1)

Question 21887: what is the missing number? 6,781+ 2,124=2,124+
Click here to see answer by Alwayscheerful(414)

Question 21882: what is 45=-1/4d
Click here to see answer by Alwayscheerful(414)

Question 22023: sqrt(2x-1)=x-2i am supposed to solve for x
Click here to see answer by venugopalramana(3286)

Question 20276: How to draw this graph Y=|X|/X where the first X is with absolute value
Click here to see answer by stanbon(75887)

Question 22283: A bicyclist rode into the country for 5h. In returning, her speed was 5mi/h faster and the trip took 4h. What was her speed each way?
Click here to see answer by Paul(988)

Question 22326: find x if x =10-35
Click here to see answer by Ultimatemagic(23)

Question 22561: Can it be explained how you solve 16x-6(5/2 + 2)= 50? Im tried multiplying 5/2 by it's reciprocal. I'm just a little confused as to how to solve the problem.
Click here to see answer by stanbon(75887)

Question 22751: Can someone help me with finding the solution to:
(6+3x)<-8 The parenthesis should be absolute value bars.
I get confused when there is the -8.
Thanks
Click here to see answer by WoWLeaky(10)

Question 22962: i have an exam coming up and i cant seem to learn the correct way to solve mult-step abosolute value inequalites....can you help?
Click here to see answer by stanbon!(97)

Question 22952: y=|x+3|-2 I would really appreciate any help.
Click here to see answer by stanbon!(97)

Question 22337: 4-I-x^3I x=2
Click here to see answer by dkspoet(13)

Question 22332: .7a + .25b + .3c = a
.2a + .6b + .05c = b
.1a + .15b + .65c = c
WHERE a + b + c = 1
Click here to see answer by AnlytcPhil(1807)

Question 23277: hi,my question is if an equition is denoted by a.b=2b+a what is 3.x=?,what is x?remember that the denotion (.)is not a multiplication sign.
Click here to see answer by stanbon(75887)

Question 23344: How do you find median?

Click here to see answer by Earlsdon(6294)

Question 23423: How do you find the absolute value of an open sentence when it has parenthesis? Ex: |6(3d-5)| is less than or equal to 14
Can you help me?
Click here to see answer by stanbon(75887)

Question 23404: waht is a absolute value what dose it look like like what would the absolute value of 5 steps down

Click here to see answer by elima(1433)

Question 21335: 15/x - 15/x-2 = -2
My textbook tells me the answer is -3, 5 but I don't know how they got this.
Thank you for your help.
Click here to see answer by stanbon(75887)

Question 24132: I cannot figure out how to do these two problems, I have tried it many different ways and cannot get the right answer. Help me! 1) |2(4-4x)+4|=3 and
2) |9-7x| is less than 7.
Click here to see answer by kev82(151)

Question 24223: dividend, divider, quotient, remainder.
For example : 11/2 , 11 is the dividend, 2 is the divider. After division, we'll
get 5 as the quotient & 1 as the remainder. This is what I learned in my
country. In U.S.A., do we use any other names for dividend divider, quotient
& remainder.
REJI
Click here to see answer by elima(1433)

Question 24314: I do not really understand how to work this site.
How am I supposed to learn things.
do you have interactive worksheets, I could do online?
please let me know.
Click here to see answer by queenofit(120)

Question 25065: how can i find the value of y when x=3

Click here to see answer by smallfry(7)

Question 25141: Help!! I'm actually the parent of an Algebra 1 student and I'm completely lost with helping him with this one. Here's the question. Verbatim.
Take 2x and five and add them together. Divide the result by eight. Add 3x. Subtract the quantity eight times 2x. The result is equal to 100 minus 9x. Find the value of x. Show work.
WHAT?????? Please help. I don't even know where to start.
Click here to see answer by askmemath(368)

Question 25375: |x-4|=5, I am the parent of a teen, and am TOTALLY lost on how to do this, please explain in simple english, he is supposed to have a positive and a negative answer.
Click here to see answer by rapaljer(4671)

Question 25554: how do i solve
2x-5y=-12 and
-4x+y=6
using substitution?
Click here to see answer by elima(1433)

Question 25809: My question is,when solving and algebraic equation why is it necessary to follow the rule, "what you do to one side you must do to the other?"
Click here to see answer by atif.muhammad(135)

Question 25917: Does all the signs change when i ex. -7(x+3)=42 what is my next step with the -7?
Click here to see answer by longjonsilver(2297)

Question 26278: What is the absolute value of 1.6

Click here to see answer by stanbon(75887)

Question 26296: Find values for m and b in the following system so that the solution to the system is (1,2).
mx + 3y = 8
-3x + 4y = b
I really need your help.
Thank you so much.
Click here to see answer by stanbon(75887)

Question 26323: Why is Absolute Value of Every Real Number a Positive?
Click here to see answer by Earlsdon(6294)

Question 26302: Find values for m and b in the following system so that the solution to the system is (-3,4).
5x + 7y= b
mx + y = 22
I really need help.
Thank you, I appreciate it.
Click here to see answer by venugopalramana(3286)

Question 26371: 4x+5=-1
Click here to see answer by uknouluvme89(30)

Question 26357: Hi, my name is Kyle, im having dificulty in math, here are some of my questions, about everyting!!!!
Why do we use x?
How do we substitute for x?
How would we do this equation: 5x(3-9x)+4-x??
How do we do inverse operations?
How do I graph a Linear Equation?
What is absolute value?
I get extra help in math-by staying after school...id get like a 40 on a test or a quiz because i dont finish and i dont understand all the questions so i stay after and i get like a 60-75 on it, but my grade is still suffering. I had a 77 in the first marking period, now i have like a 68... i had a 43 but i brought it up, do you have any suggestions of helping me? Please respond asap!! =)

Click here to see answer by longjonsilver(2297)

Question 26388: how to convert 38% to a fraction
Click here to see answer by uknouluvme89(30)

Question 26408: Given f(x)=5x^2-3x+1, find f(-2).
Please help.
Thank You.
Click here to see answer by stanbon(75887)

Question 26452: I'm learning algebra at age 54 and trying real hard to understand. I need help with these:
1. A=1/2bh for b
2. Evaluate the expression for x=-2, y=3, z=-4.
3. -177-26
_______
-13
Thank you
Sherry
Click here to see answer by Alwayscheerful(414)

Question 26306: Solve each of the following systems by using either addition or substitution. If a unique solution does not exist, state whether the system is dependent or inconsistent.
10x + 2y = 7
y=-5x+3
Please help me.
Thank you very much.
Click here to see answer by Alwayscheerful(414)

Question 26628: y=|x+4|

Click here to see answer by longjonsilver(2297)

Question 26741: |3-x|=|x/2+3|
Click here to see answer by AnlytcPhil(1807)

Question 26761: What is the interval notation of {x/ -3>x}? NOTE: The "/" in the problem represents a straight vertical line, but since there's not one on the keyboard, I chose to use the slash instead.
Click here to see answer by kev82(151)

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