Questions on Algebra: Absolute value answered by real tutors!

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Question 796544: |2r - 1| = 1/4. The answer was 3/8 and 5/8.
We could figure out the 5/8 but how do you get 3/8?
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Question 811415: 3x + 1 = 5
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Question 808886: Solve: 8 = 7 - |x|
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Question 800291: (6+(-7)-1) * 8
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Question 799705: -7 = h/5
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Question 804685: |11x-4|=17
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Question 798696: -12<|-3x|+1
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Question 814225: If someone is paid $1,250 every two weeks(after taxes) and there monthly bills are $1,940 how much will this person have for leisure spending in a given year?
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Question 814319: Solve the absolute value equation or indicate that the equation has no solution:
|2(x+1)+6|=10

a. {-9,10} b. {-7,3} c. {-7,0} d. {-9,0}
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Question 811521: exact value of tan75
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Question 798665: 3+|6x-1|<14
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Question 797602: If x=2, then x−1/4x+3/8 I don't know any of this
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Question 814915: What is the absolute value of 17 more than x



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Question 814495: A number n is no more than 7 units way from 5. Wirte an absolute-vaule inequality to show the range of posssible values for n.
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Question 814360: 7-4|x+7|>-5
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Question 811394: 2(5-2)4+14
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Question 814472: how do I write in inequality form : all real numbers at most 6 units from 0
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Question 793523: Write an absolute value equation or inequality representing all real numbers x at least 3 from 7
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Question 814359: |x+7|+15>12
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Question 815437: z is no less than 8 units from 18
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Question 816002: The question asks me to simplify [-8]. Can you please tell me how to find the answer? I tried multiplying it by an 1,because there should be a hidden 1 I think.
thank you!
from Isabel R
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Question 816102: Solve the equation. Check for extraneous solutions.
|4x|=28
I dont understand how to do extraneous solutions
|4x|=28 28 divided by 4 is 7 so x=7
But how do i check for extraneous solutions?
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Question 816574: -9(b-8) write in distributive property
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Question 816614: |-3+6|
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Question 816672: [x]=1/2 what is x

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Question 816853: What are the steps to solving this absolute value question -2|x+1|+4=-4
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Question 817175: Please help me solve this : |2X+1|-2<0
thanks.
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Question 817218: The dimensions of rectangle B are twice the dimensions of rectangle A. The area of rectangle B is 512cm2.
What is the area of rectangle A?
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Question 817129: absolute value of 3x+2 - absolute value of x-3=5
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Question 816904: If you take the absolute value of the quantity that is four less than me, you get fifteen. Who am I?
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Question 820480: |3a+9| = |3a-5|. What is the answer?
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Question 821322: Is there such a problem as this. - l -5 I
Negative sign. And then the negative number inside absolute value bars
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Question 822307: 2|3-2v|< -7
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Question 820098: |1/2x| < 4.8
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Question 817867: solve: -3+|2x+7| > 6
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Question 819663: Hey i've been stuck on this problem for about 10 minutes and i need someones help.
|2p-3|=17
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Question 815813: Please solve this for me: |2a-4|=-2a+4
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Question 801576: -2(3-r)=2r-6
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Question 822737: Solve. -|3x+5|=4
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Question 804682: Determine which value makes the open sentence true.
7x – 7 = 2x + 8
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Question 823306: Which number is greater,-7or 6? Which number has the greater absolute value-7or 6
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Question 823804: how many solutions does this absolute value equation have?
|x-5|=4 ??
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Question 823813: A cup of coffee contains 130 mg of caffeine. If caffeine is eliminated from the body at a rate of 11% per hour, how much caffeine will remain in the body after 3 hours?
whats the exponential function and answer?
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