Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 97828: The sum of three consecutive odd integers is 201. Find the integers.

Click here to see answer by checkley71(8403)

Question 97822: An arithmetic student needs an average of 70 or more to receive credit for the course. She scored 80, 66, and 65 on the first three exams. Write an inequality representing the score she must get on the last test to receive credit for the course.
Click here to see answer by Nate(3500)

Question 97856: 1-1/8z=z-3/4
Click here to see answer by elima(1433)

Question 97943: solve.
3/x-1 = 6/x+2
Click here to see answer by jim_thompson5910(35256)

Question 97939: Solve.
1/x-6 + 7 = 8/x-6
Click here to see answer by anjali_yamini(27)

Question 97939: Solve.
1/x-6 + 7 = 8/x-6
Click here to see answer by jim_thompson5910(35256)

Question 97937: solve.
x/3 - 1/4 = 3x-8/12
Click here to see answer by jim_thompson5910(35256)

Question 97961: Please show how to Solve the equation and show how to check the answer. thanks!
1/2a-5=1/3a-1
Click here to see answer by ankor@dixie-net.com(22740)

Question 98020: Solve. 26x � 7(3x � 0.895) = 4x + 0.655
Please help I do not understand the whole decimal point stuff.
Click here to see answer by kiljoy(51)

Question 98018: what is the equation for this word problem?... a season ticket for good for 39 basketball games cost $1092. Give the cost of one admission with this ticket.
Click here to see answer by kiljoy(51)

Question 98054: x^4=16
Click here to see answer by kiljoy(51)

Question 98052: x^3-8=0
Click here to see answer by kiljoy(51)

Question 98069: This is a polynomial and rational inequality problem. The problem is
f(x)= 7x(squared)-59x+24 (the equation has the square root symbol throughout. The question is "what is the domain?"
Click here to see answer by mathslover(157)

Question 98117: I need help please
what is twice a number plus 6 times the number is negative 72. Find the number
Click here to see answer by checkley71(8403)

Question 98193: Find two consecutive integers such that the sum of their squares is 5. How do I solve this problem?
Click here to see answer by ptaylor(2198)

Question 98280: Find the prime factorization for each integer.
200
Click here to see answer by checkley71(8403)

Question 98195: Please show me how to solve the equation and check the answer. Thanks!
0.05(z+20)=0.1z-0.5
Click here to see answer by checkley71(8403)

Question 98194: Find two consecutive integers such that the sum of their squares is 5. How do I solve this problem?
Click here to see answer by checkley71(8403)

Question 98297: Plot points with coordinates (2,3),(3,4), and (4,5) on the given graph. What do you
observe? Can you give the coordinates of another point with the same property?
There is a graph below the question
I do not have any idea how do draw the graph, can you help me please?

y

x
Click here to see answer by stanbon(75887)

Question 98319: Simplify: 1+i/2-i
Hopefully, before the end of the year I will be much better at this. Some of us grandparents aren't as smart as you young people.
Click here to see answer by ptaylor(2198)

Question 98386: need to find out how to solve this problem please show me the work
10=8+2(x-10)
Click here to see answer by stanbon(75887)

Question 98392: I'm stuck on this problem:
a-b
_____ = -d solve for b
c

I multiplied both sides by c
a-b = -d(c)
then i subtracted a from both sides.
-b = -d(c) - a
The answer my book gives is b = cd + a
How do I make the b, d and a positive? HELP!!!
-Thanks
Click here to see answer by tutorcecilia(2152)

Question 98288: When x number of units are sold, the price of each unit (in
dollars) is given by p = -x/2 + 75. Find the unit price when the following quantities
are sold: 2, 7, 9, 11.
Click here to see answer by checkley71(8403)

Question 98417: 5m-2(m-5)=17
Click here to see answer by jim_thompson5910(35256)

Question 98458: Using the digits 1-9 in order, insert operation signs and grouping symbols to get the value of 100. you can only use a number once.Help Me. Please...
Click here to see answer by mathslover(157)

Question 98315: Simplify: 4m/5n(squared)-n/2m.
I came up with 8m(squared-5n(to the third power)/10n(squared)m. But am not certain if it's correct. Help!
Thank you.
Click here to see answer by edjones(8007)

Question 98461: Simplify:
^y+y-20/^y-2y-8. Assume that the denominator is not equal to 0. I tried very hard to do this on my own but I just can't seem to make any sense out of it.
Click here to see answer by 303795(602)

Question 98368: Simplify: y(squared)+y-20/y(squared)-2y-8. Assume that the denominator is not equal to 0.
Click here to see answer by 303795(602)

Question 98287: Celsius temperature readings can be converted to
Fahrenheit readings using the formula F = 9/5 C + 32. What is the Fahrenheit
temperature that corresponds to each of the following Celsius temperatures: -10,
0, 15, 100?
Click here to see answer by 303795(602)

Question 98468: Can you please help me with this problem !!! I've been stuck on it for a long time!!
I have to solve for "x".

I tried this...
a(x-5/a) + a(1) = a(b)
x-5 + a = ab
x + a = 5 + ab
x = 5 + ab - a
but i don't think that that's right. =/
Click here to see answer by Earlsdon(6294)

Question 98503: 3(-2-3x)=-9x-4
Click here to see answer by jim_thompson5910(35256)

Question 98493: In Chapter 2 - review problems pg 186 #31
31. -4/3(2x+1)=-x-2
Below is how I was trying to solve it but the answer in the back of the book is 2/5 or 0.4, I do not know how they arrived to the answer.
First I converted my fraction
3/1 x -4/3 = -4
Then I took my 3 and multiplied the rest of the terms.
-4(6x+3)=-3x-6
Then I simplify my enclosures.
-24x-12 = -3x-6
Then I took my 12 and added it to both sides.
-24x = -3x + 6
Then I took my -3x and added it to both sides.
-21x = 6
This is where I stopped because to me I would not come up with 2/5 so where did I go wrong. I have worked with this way too long and now I am confused. Please help because he gave us homework on this and we have a test on Thursday. I have tried emailing him but the address is incorrect and I will not see him until Thursday because our class meets 1 day a week. Thank you
Click here to see answer by edjones(8007)

Question 98532: -7+6=4a-1+20
Click here to see answer by jim_thompson5910(35256)

Question 98535: A googl is 10 to the 100th power (which is 1 followed by 100 zeros). So, if googl =(x^5)^10 then what is the value of x?
There are two solutions to this. I only have one.Please help me find the second one! THANKS IN ADVANCE!
(x^5)^10 = x^50
x^50 = 10^100
x = 10^2
x = 100

Click here to see answer by jim_thompson5910(35256)

Question 98555: 74/n=37
Click here to see answer by jim_thompson5910(35256)

Question 98564: (a+b)4
Click here to see answer by checkley71(8403)

Question 98554: 74/n=37
Click here to see answer by checkley71(8403)

Question 98533: I am a mother trying to help her child solve equations, and find linear relations and linear function when given four tables with X and Y columns, each table having a different set of numbers. It asks to write an equation, describe the linear relation and the function. Please help...Thanks
Click here to see answer by ankor@dixie-net.com(22740)

Question 98646: As a first year Algebra student, I am doing a little extra study and have run into a problem I can't solve.
Solve: [2x-5y] = [1] for y
[ x+3y] [0]
I tried to line them up - one under the other, but once I hit the submit button, it throws them out of alignment [x+3y]is directly under [2x-5y] and [0] is directly under [1]. Thank you.
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 98648: I came up with 8m^2+5n^3/10n^2m and would like to know if I came up with the correct answer.
Simplify: 4m/5n^2-n/2m.
I'd appreciate your input.
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 97996: 7/6 = 42/x
Click here to see answer by edjones(8007)

Question 98655: Please tell me if I did the following problem correctly:
If y varies inversely as x and y=3, when x=6. Find y when x=36.
This is what I came up with:
3/36=y/6
36*y=36y
3*6=18
18/36=1/2
So when x=36, y=1/2.
Thank you for your input.

Click here to see answer by malakumar_kos@yahoo.com(315)

Question 98485: SIMPLIFY X/XSQUARE-16 + 3/X+4
Click here to see answer by malakumar_kos@yahoo.com(315)

Question 98676: 6x=-19x+25 divided by x+1
Click here to see answer by checkley71(8403)

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, 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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, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 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23941..23985, 23986..24030, 24031..24075, 24076..24120, 24121..24165, 24166..24210, 24211..24255, 24256..24300, 24301..24345, 24346..24390, 24391..24435, 24436..24480, 24481..24525, 24526..24570, 24571..24615, 24616..24660, 24661..24705, 24706..24750, 24751..24795, 24796..24840, 24841..24885, 24886..24930, 24931..24975, 24976..25020, 25021..25065, 25066..25110, 25111..25155, 25156..25200, 25201..25245, 25246..25290, 25291..25335, 25336..25380, 25381..25425, 25426..25470, 25471..25515, 25516..25560, 25561..25605, 25606..25650, 25651..25695, 25696..25740, 25741..25785, 25786..25830, 25831..25875, 25876..25920, 25921..25965, 25966..26010, 26011..26055, 26056..26100, 26101..26145, 26146..26190, 26191..26235, 26236..26280, 26281..26325, 26326..26370, 26371..26415, 26416..26460, 26461..26505, 26506..26550, 26551..26595, 26596..26640, 26641..26685, 26686..26730, 26731..26775, 26776..26820, 26821..26865, 26866..26910, 26911..26955, 26956..27000, 27001..27045, 27046..27090, 27091..27135, 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33526..33570, 33571..33615, 33616..33660, 33661..33705, 33706..33750, 33751..33795, 33796..33840, 33841..33885, 33886..33930, 33931..33975, 33976..34020, 34021..34065, 34066..34110, 34111..34155, 34156..34200, 34201..34245, 34246..34290, 34291..34335, 34336..34380, 34381..34425, 34426..34470, 34471..34515, 34516..34560, 34561..34605, 34606..34650, 34651..34695, 34696..34740, 34741..34785, 34786..34830, 34831..34875, 34876..34920, 34921..34965, 34966..35010, 35011..35055, 35056..35100, 35101..35145, 35146..35190, 35191..35235, 35236..35280, 35281..35325, 35326..35370, 35371..35415, 35416..35460, 35461..35505, 35506..35550, 35551..35595, 35596..35640, 35641..35685, 35686..35730, 35731..35775, 35776..35820, 35821..35865, 35866..35910, 35911..35955, 35956..36000, 36001..36045, 36046..36090, 36091..36135, 36136..36180, 36181..36225, 36226..36270, 36271..36315, 36316..36360, 36361..36405, 36406..36450, 36451..36495, 36496..36540, 36541..36585, 36586..36630, 36631..36675, 36676..36720, 36721..36765, 36766..36810, 36811..36855, 36856..36900, 36901..36945, 36946..36990, 36991..37035, 37036..37080, 37081..37125, 37126..37170, 37171..37215, 37216..37260, 37261..37305, 37306..37350, 37351..37395, 37396..37440, 37441..37485, 37486..37530, 37531..37575, 37576..37620, 37621..37665, 37666..37710, 37711..37755, 37756..37800, 37801..37845, 37846..37890, 37891..37935, 37936..37980, 37981..38025, 38026..38070, 38071..38115, 38116..38160, 38161..38205, 38206..38250, 38251..38295, 38296..38340, 38341..38385, 38386..38430, 38431..38475, 38476..38520, 38521..38565, 38566..38610, 38611..38655, 38656..38700, 38701..38745, 38746..38790, 38791..38835, 38836..38880, 38881..38925, 38926..38970, 38971..39015, 39016..39060, 39061..39105, 39106..39150, 39151..39195, 39196..39240, 39241..39285, 39286..39330, 39331..39375, 39376..39420, 39421..39465, 39466..39510, 39511..39555, 39556..39600, 39601..39645, 39646..39690, 39691..39735, 39736..39780, 39781..39825, 39826..39870, 39871..39915, 39916..39960, 39961..40005, 40006..40050, 40051..40095, 40096..40140, 40141..40185, 40186..40230, 40231..40275, 40276..40320, 40321..40365, 40366..40410, 40411..40455, 40456..40500, 40501..40545, 40546..40590, 40591..40635, 40636..40680, 40681..40725, 40726..40770, 40771..40815, 40816..40860, 40861..40905, 40906..40950, 40951..40995, 40996..41040, 41041..41085, 41086..41130, 41131..41175, 41176..41220, 41221..41265, 41266..41310, 41311..41355, 41356..41400, 41401..41445, 41446..41490, 41491..41535, 41536..41580