Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 684969: How would I go about solving for x in the function f(x) = x^(4/3) + 4x^(1/3)?
Click here to see answer by ReadingBoosters(3246)

Question 684828: Can someone help me solve the following equation. I've tried it three different ways and still keep getting it wrong.
Write an equation of the line containing the given point and parallel to the given line. (8,-3); 3x + 2y = 7
-2y=-3x+7
y= 3/2x - 7/2
y-(-3)= 3/2 (x-8)
y+3=3/2x - 24/2
y=3/2x - 24/2 - 3
y=3/2x - 21/2
I don't know where I went wrong. Please assist. Thank you
Click here to see answer by ReadingBoosters(3246)

Question 684790: Please solve for x: -35=-(7/8)X Thank you
Click here to see answer by ReadingBoosters(3246)

Question 684663: I need help on solving systems of equations using substitution.
Here's the Question:
y=2x + 7
y= -3x - 18
Click here to see answer by ReadingBoosters(3246)

Question 684249: How do I do this problem? -20 - 5 (2j+4)=40
Click here to see answer by ReadingBoosters(3246)

Question 684248: How do I do this priblem? 3(v-5)=36
Click here to see answer by ReadingBoosters(3246)

Question 684247: How do I do this problem? 6t-11t+1=-24

Click here to see answer by ReadingBoosters(3246)

Question 685020: 3k/5=-1/5
Click here to see answer by jim_thompson5910(35256)

Question 685133: x^3-3x^2-9x+27
Click here to see answer by MathLover1(20849)

Question 685198: Please help me solve this equation 4x-2=5x-8
Click here to see answer by jim_thompson5910(35256)

Question 685311: y+19=42

Click here to see answer by jim_thompson5910(35256)

Question 685288: What value of x makes 4(x-2)+5x=2(3x-8) true?
Click here to see answer by ReadingBoosters(3246)

Question 685383: How can I solve:
x+2y-3z=-4
2x+y-3z=4

Click here to see answer by Alan3354(69443)

Question 685377: trying to help my daughter work this problem in pre-algebra 6m-2 1/2 = m+ 12 1/2. I have tried several different ways, but have been unsucessful
Click here to see answer by Alan3354(69443)

Question 685405: what is the answer to 7x+14
Click here to see answer by Alan3354(69443)

Question 685361: so i have a suqare and it has 10 10 10 on three side then it has 3x-8 i dont no what it is or how to do it
Click here to see answer by Alan3354(69443)

Question 685440: I'm doing explorations into variables and I don't get this at all so could you please explain it to me.
Problem below.
2x=3x what I got..or did.
I divided 2x by both of the numbers and I got x=1 is this right?!
Click here to see answer by Alan3354(69443)

Question 685432: Hey so I'm doing explorations into variables and I really don't get it so I was wondering if I got this problem right and if I didn't could you please explain what I did wrong and how to fix it? Thank you!
Problem below.
2x+1=3x
I minused 2x from 2x and 3x then I dropped the 1 so now it is 1=1x then what I did is I divided both of them by 1x and then I got x=1
Is this right because it doesn't to me?
Click here to see answer by Alan3354(69443)

Question 685481: 5x-2x+3=24
Click here to see answer by jim_thompson5910(35256)

Question 685386: 1/5(3x + 4)
Click here to see answer by ReadingBoosters(3246)

Question 685497: 1. price$87.50
2.salestax rate=6%
how much is the sale tax?
how much will i pay for the item including tax, how i put this as an expression
Click here to see answer by ReadingBoosters(3246)

Question 685505: 5/6c-2/3c=1/3
I don't really get what to do to solve the equation.
Click here to see answer by mananth(16946)

Question 685505: 5/6c-2/3c=1/3
I don't really get what to do to solve the equation.
Click here to see answer by ReadingBoosters(3246)

Question 685650: Can you please help me to understand how Re=1-(1-R)(1-R) becomes Re=2R-R^2. I multiplied out the brackets and was left with 1-1-R-R+R^2, which gave me -2R+R^2
Click here to see answer by josmiceli(19441)

Question 685700: 4x+ 13= -9 -3(x+9);= -7
Click here to see answer by ReadingBoosters(3246)

Question 685553: write the equation so that y is a function of x
5y + 25 = 3x
Click here to see answer by ReadingBoosters(3246)

Question 685378: 3a+4b=9
-3a-2b=-3
Click here to see answer by ReadingBoosters(3246)

Question 685335: The sum of the measures of angle X and angle Y is 90. If the measure of angle X is 30 less than twice the measure of angle Y, what is the measure of angle X?
Click here to see answer by ReadingBoosters(3246)

Question 685709: the number of seconds is 60 times the number of minutes
Click here to see answer by ReadingBoosters(3246)

Question 685329: having trouble trying solve this problem
(-3/4)x+2=(1/2)x+6
Click here to see answer by ReadingBoosters(3246)

Question 685265: solve the equation.show your work 5b=17.1
Click here to see answer by ReadingBoosters(3246)

Question 685217: write the equation of the line through (6,0) and (4,-10)
Click here to see answer by ReadingBoosters(3246)

Question 685813: -8+b
-1= ------
4

Click here to see answer by ReadingBoosters(3246)

Question 685877: Change the formula to make B the subjct
A= b(b+2BL) when A = 1024 and L = 60
I have tried rearranging it but I always seem to end with B on both sides..which I know isn't correct. I know B must be able to be made the subject as I've found B to be worth 8 by changing the formula so it can be worked via a quadratic equation. I just cannot fathom out how to make B the subject. Thanks
Click here to see answer by MathLover1(20849)

Question 685918: What is the awnswer to 2(y-6)-6y=-28
Click here to see answer by jim_thompson5910(35256)

Question 685918: What is the awnswer to 2(y-6)-6y=-28
Click here to see answer by stanbon(75887)

Question 685924: what is the answer to 48=12divided radical sign?
Click here to see answer by MathLover1(20849)

Question 686066: 1/5x+3=-4
Click here to see answer by AshleyK101(1)

Question 686066: 1/5x+3=-4
Click here to see answer by MathTherapy(10551)

Question 686127: how do you work this problem?
1/6(a-4)=1/3(2a+4)
Click here to see answer by ReadingBoosters(3246)

Question 686137: -67z-18=z-86 please help solve
Click here to see answer by lynnlo(4176)

Question 686118: (a^1/2b)^1/2(ab^1/2) please help solve
Click here to see answer by lynnlo(4176)

Question 686375: How do I write an equation that has x intercepts -2 and -6. I'm really stuck on this one, please show steps!
Click here to see answer by Alan3354(69443)

Question 686404: the length of a rectangular is 4 times its width. If the perimeter is 70cm, find the legth and width of the rectangular

Click here to see answer by josh_jordan(263)

Question 686527: I got - "falls to the left and rises to the right"
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.
f(x) = x^3 - 2x^2 - 2x - 3
Click here to see answer by jim_thompson5910(35256)

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