Questions on Algebra: Equations answered by real tutors!

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Question 66363: Simplify:
3
------
4
_______
4
------
5
I do not understand how to complete thsi problem, can anyone help me out? Thank you so much:-)
Click here to see answer by checkley71(8405)

Question 66364: Divide:
x^2 + 2x - 15 x^2 - 25
------------- / ------------
4x^2 2x - 10
Can anyone help me figure this problem out? Thank you ahead of time for your effort
Click here to see answer by ankor@dixie-net.com(6693)

Question 66358: Simplify the compound fraction:
X + 2
-----
X
--------
X - 2
-----
3x
This has lost me again. I have tried to understand the steps and to get the answer but have failed each time. Can you help me please? Thank you very much
It does have some choices:
A) -3
B) x^2-4
---------
3x^2
C) 3(x+2)
---------
x-2
D) -4/3

Click here to see answer by Earlsdon(4900)

Question 66368: Add and write in simplest form:
4 6
--- + ----
s s^2
I believe the answer is:
4s+6
------
s
Is this correct? Thank you
Click here to see answer by Earlsdon(4900)

Question 66390: What values for X must be excluded in this fraction?
x-3
---------
(4x-5)(x+1)
How do I figure out the values to be excluded from this fraction? Thank you
Click here to see answer by Earlsdon(4900)

Question 66395: multiply:
-3a^2b 14a^3b^2
------ * ---------
35a^5 -9b^4
If this was simpler I could figure it out, but with so many letters in it I have just become lost! Thank you for the help!!!!

Click here to see answer by Earlsdon(4900)

Question 66400: add. write in simplest form:
4 6
----- + -----
xy xy
The answer to this is:
10
----------
x^2y^2
Is this correct? Thank you so very much
Click here to see answer by Earlsdon(4900)

Question 66402: Add, simplest form:
x-13 3x-3
--------- + ----------
x^2-x-12 x^2-x-12
Can anyone help me on this problem please? Thank you so much!!!!!
Click here to see answer by Earlsdon(4900)

Question 66408: 4(8-t)=20
6(2x-1)=4(2x+5)
7(2w-3)-5(3w-1)=0
Click here to see answer by rcmcc(152)

Question 66391: Write in simplest form:
9-b^2
---------
b^2-b-6
I have four answers to choose form but do not come up with any of them each time, here they are:
A) -b+3
------
b+2
B) -b+3
------
b-2
C) b+3
------
b+2
D) -b-3
------
b+2
Thank you for the help!!!
Click here to see answer by ptaylor(1578)

Question 66393: Solve:
X x-3 7
------ + ------ = ---
5x+10 x+2 5
DO I need to just figure out what x equals to figure get the 7/5? If so how do I go about this because it could be many different solutions. Thank you
Click here to see answer by Earlsdon(4900)

Question 66366: Subtract and simplify:
y-2 - y
---- ------
y+3 2y+6
Multiple choice:
A) y^2+y-12
----------
(y+3)(2y+6)
B) y-2
-----
y+3
C) y-4
------
2(y+3)
D) 3y-4
------
2(y+3)
I do not come up with any of these answers. Thank you so much for the help :-)
Click here to see answer by Earlsdon(4900)

Question 66479: 2x+9x-24/10+10x+6/6=26
Click here to see answer by ptaylor(1578)

Question 66485: WHICH ONE OF THE FOLLOWING IS TRUE?
a. The equation (2x-3)2 = 25 is equivalent to 2x-3=5
b. Every quadratic equation has two distinct numbers in its solution set
c. The equation 3y-1=11 and 3y-7=5 are equivalent
d. The equation ax2 + c = 0, a is not equal 0, cannot be solved by the quadratic formula
**NOTE in both a and d the 2 is meant to be the exponent
Click here to see answer by ptaylor(1578)

Question 66500: I am trying to figure this equation out but I am doing it wrong. We do not have a text book to go by.
7x=36+4x
Thanks,
Brandon
Click here to see answer by checkley71(8405)

Question 66505: ANNA HAS 12 BILLS IN HER WALLET, SOME $5 AND SOME $10 THE TOTAL VALUE OF THE BILLS IS $100. HOW MANY OF EACH BILL DOES ANNA HAVE?

Click here to see answer by checkley71(8405)

Question 66511: Would you please help me on this problem? 4x+24=34

thanks
Click here to see answer by checkley71(8405)

Question 66518: how can I find how many solutions are in an equation like this one?
0=x^2-5x+6
Click here to see answer by checkley71(8405)

Question 66520: how would I simplify this?
(3t)^2
Click here to see answer by stanbon(26297)

Question 66522: 6(3x+3)+26=10(x+2)+ 6x
Thanks
Click here to see answer by stanbon(26297)

Question 66535: 1. y=3x-1
If x=-2 what is the value of Y.
2. for the equation y = x-5 find the missing value in each ordered pair
(2, ??)
(-3,??)
3. x-y =3
If x =-6 what is the value of Y
Click here to see answer by Leah_Taylor(3)

Question 66544: solve for "a": 2a + 4 = 3b - 5
Click here to see answer by Nate(3495)

Question 66521: how can I rewrite without parethesis use distribution using mailman property.
3+(+^3+^2-2+1)
how can I simplify this in radical form?
squareroot of 3+2 squareroot of 3=
Click here to see answer by stanbon(26297)

Question 66554: a number multiplied by -4 is 24.
how can I write an algebratic equation for this sentence
help.
thank you
Click here to see answer by stanbon(26297)

Question 66553This question is from textbook Algebra 1
: 2 1/8x - 1/5=(5^2)(2^-3)
I know that the answer is supposed to be 133/85. I have -94 18/85 by doing the following:
2 1/8x-1/5=(25)(-8)
2 1/8x-1/5=-200
2 1/8x = -1000/5 + 1/5
2 1/8X = -1001/5
(8/17)17/8x=-1001/5(8/17)
x=-8008/85
This question is from textbook Algebra 1

Click here to see answer by stanbon(26297)

Question 66555: -32is 6.4 times a number .
how can I write an algebratic equation for this sentence
help.
thank you so much for your help.
Click here to see answer by Earlsdon(4900)

Question 66583: 3y-20=8y
Click here to see answer by tutorcecilia(2042)

Question 66429: solve liner equation: 2x+6=10x+6
Click here to see answer by checkley71(8405)

Question 66602: subtract and simplify
2 y
---- - ------
5 y-2
I was under the impression to just minus across but do not come up with the answers they have for me. Could someone please help me out on this? Thank you so much! The answers I have are:
A) -3y-2
--------
y-2
B) -3y-2
---------
5(y-2)
C)-3y-4
--------
5(y-2)
D) -3y-4
--------
y-2
Thank you again!
Click here to see answer by checkley71(8405)

Question 66470: 7(3x+4)=8(2x+5)+13
Click here to see answer by funmath(2873)

Question 66617: Multiply:
n^2-n-20 n^2+5n
-------- * -------
2n^2 n^2-25
Could you please help me with this one? Thank you so much!
Click here to see answer by stanbon(26297)

Question 66618: Write in simplest form:
48a^5b
-------
12ab^2
I believe the answer is:
4a^4b
Is this the correct solution? Thank you for your help!
Click here to see answer by Earlsdon(4900)

Question 66619: Subtract and write in simplest form:
2 y
---- - -----
5 y-2
Could anyone give me a hand understanding the applications on this. Thank you very, very much!!
Click here to see answer by stanbon(26297)

Question 66615: Solve:
x 9
----- -4 = -------
x-9 x-9
The answers to this is either -9, 9, -6, or no solution.
I tried plugging the numbers in but it does not seem to work so I believe the answer is no solution. Is this correct? Thank you very much!
Click here to see answer by stanbon(26297)

Question 66589: Compare equations with one variable to equations with two variables.
How are they alike? How are they different?

What if an equation had three variables?
Click here to see answer by Poohbear272(22)

Question 66655: solve. -7x+1+8x=x+1
Click here to see answer by sister_insomnia(8)

Question 66659: solve. 4(7x+10)=3(9x-5)+20
Click here to see answer by checkley71(8405)

Question 66676: Multiply:
-3a^2b 14a^3b^2
--------- * ---------
35a^5 -9b^4
I have four answers to choose form but can not seem to figure this problem out! Here aer the answers:
A. 2/15b
b. a/16
C. a/15
D. 2b/15
Thank you for you wonderful help!!
Click here to see answer by ankor@dixie-net.com(6693)

Question 66698: Solve. 4(x+2)-3x=x-6
Click here to see answer by Nate(3495)

Question 66695: Solve. 8x-1-x=7x+1
Click here to see answer by Nate(3495)

Question 66677: I would like some help on thsi problem please:
x 5
----- +1 = -----
x-5 x-5
Thank you for your help!!
I believe this problem there is no solution but if there is it could only be:
5
-5
or no solution
Thank you again!
Click here to see answer by Earlsdon(4900)

Question 66723: My sister wanted help with her Algebra but I haven't had any algebra in almost 10 years. I have just enough knowledge for it to be dangerous :) Thanks
5x-(2x-10)=35
Click here to see answer by sprolden(40)

Question 66727: 3x-2/4+1=2x-3/2
I have tried for an hour to figure this problem. Below is how I am trying to solve it.
3x-2-2x/4+1=-3/2
1x-2/4+1=-3/2
1x-2+2/4+1=-3+2/2
1x/4+1=-1/2
1x/4+1-1=-3/2
1x/4*4/1x=-3/2*4/1
x=-12/2or -6
My text book shows the answer as 8
I am ready to pull my hair out. Please help!! Thanks
Click here to see answer by stanbon(26297)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330