Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 640686: Which ordered pair has an x-coordinate value of 3 and y coordinate value of -2
(-2,3)
(3,-2)
(-3,2)
(2,-3)
Click here to see answer by jim_thompson5910(35256)

Question 640702: How do you do 5x-2x+x=15
Click here to see answer by jim_thompson5910(35256)

Question 640719: 6.02x10^23/3.00 =
Click here to see answer by jim_thompson5910(35256)

Question 640797: please help me to solve this..
find the maximum and minimum values of f(x)=x^3-6x^2+24x+4
Click here to see answer by Alan3354(69443)

Question 640827: I would like step by step solution on solving this problem. 3(2x-2)=24-3x. thank you.
Click here to see answer by MathLover1(20849)

Question 640841: Can You please help me solve this equation? ax+b=cx+d,for x.
Click here to see answer by jim_thompson5910(35256)

Question 640841: Can You please help me solve this equation? ax+b=cx+d,for x.
Click here to see answer by solver91311(24713)

Question 640845: Can you please help me solve this equation: x+k/J = 3/4,for x.

Click here to see answer by jim_thompson5910(35256)

Question 640847: Can you please help me solve this equation: a-3y/b+4=a+y,for y.

Click here to see answer by MathLover1(20849)

Question 640847: Can you please help me solve this equation: a-3y/b+4=a+y,for y.

Click here to see answer by benni1013(206)

Question 640851: Can you please help me solve this equation: 1/2r+3s=1,for r.

Click here to see answer by jim_thompson5910(35256)

Question 641098: 6(1 − x) = 8(1 + 2x) + 7
Click here to see answer by MathLover1(20849)

Question 641165: 2x � y = 12
Click here to see answer by jim_thompson5910(35256)

Question 641106: at a given time of day the shadow of a 6 ft. tall man is 8 ft. in length. the shadow of a telephpne pole is 40 ft. how tall is the telephone pole? to answer draw and label a doagram, set up an equation based on ypur diagram labels solve and do a check please help me

Click here to see answer by ankor@dixie-net.com(22740)

Question 641112: 9+4x-12=-3x+5x+8
Click here to see answer by jim_thompson5910(35256)

Question 641211: Solve for x and show work;
(6x-7)/4 + (3x-5)/7 = (5x+78)/28
Click here to see answer by JellyBeans(8)

Question 641238: I am having a hard time trying to simplify this equation: (4x+4)/(x^2-1)
I know the answer is 4/x-1, but I wonder why.
I tried to split the equation into smaller parts: (2*2*x+2*2)/(x*x-1)
But as you see, the 4 parts does not contain common factors, therefore I wonder how you can simplify it even further.

Click here to see answer by nerdybill(7384)

Question 641310: Two trains travel a 160 km track each day. The express travels 10 km h-1 faster and takes 30 minutes less time than the normal train. Find the speed of the express
Click here to see answer by josmiceli(19441)

Question 641373: I haved soplved the problem,but now I am supposed to label a diagram,set up an equation based on my diagram labels???here is the problem, at a given time od day the shadow od a 6 ft man is 8 ft. in length. the shadow of a pole is 40 ft.. how tall is the pole, here is how i solved it but how do i do a diagram?
t/6=40/8
8t=6*40
8t=240
t=240/8
t=30 ft. height of pole now I hsave to do a diagram
Click here to see answer by stanbon(75887)

Question 641381: S = (a-lr) / l-r
Solv for l
Click here to see answer by jim_thompson5910(35256)

Question 641319: 1. Show how to split the x term so that factorization can occur (Complete the square)
a. 2x2 +7x+3
b. 3x2 +5x�2
c. 4x2+11x+6
) d. 4x2 �6x�4
e. 8x2 +14x�4
f. 10x2 �19x�15
Click here to see answer by JellyBeans(8)

Question 641331: what is the answer to
x-2(x+10)=12

Click here to see answer by JellyBeans(8)

Question 641331: what is the answer to
x-2(x+10)=12

Click here to see answer by MathTherapy(10551)

Question 641412: How do I solve for x?
27 - 2(3-2x) = 26 + 3(x-1)
Click here to see answer by jim_thompson5910(35256)

Question 641409: -t/4=8

Click here to see answer by jim_thompson5910(35256)

Question 641415: 12+3(5-4x)=5-7(2x-5)+8
Click here to see answer by jim_thompson5910(35256)

Question 641400: the number of gal used to water trees is 30 times the number of tres
Click here to see answer by Alan3354(69443)

Question 641401: the number of gal used to water trees is 30 times the number of trees
Click here to see answer by Alan3354(69443)

Question 641461: 4-2(7-x)=8-4x
Click here to see answer by jim_thompson5910(35256)

Question 641447: Solve the equation for y. Then find the value of y for the given value of x.
2x + 3y = 12; x= -6
Click here to see answer by jim_thompson5910(35256)

Question 641485: Use the formula d=rt to find the value of the missing variable.
d=80 feet t=20seconds
r=___ft/sec.
Click here to see answer by MathLover1(20849)

Question 641513: How do you solve (-6x-15)/-5=15
Click here to see answer by jim_thompson5910(35256)

Question 641566: ACC

Your Open Question
Show me another �
Use the remainder theorem to find the remainder when f(x) is divided by 2. then use the factor theorem?
use the remainder theorem to find the remainder when f(x) is divided by 2. then use the factor theorem to determine whether x+2 is a factor of f(x)

f(x)=2x^6-8x^4+x3-20

Remainder is?
is x+2 a factor of f(x)?

i tried to have a tutor help me and she confused me even more after she said she doesnt really know what she is doing! please help me n show the work too...soo lost
Click here to see answer by jim_thompson5910(35256)

Question 641571: -2 to the 4th power
Click here to see answer by jim_thompson5910(35256)

Question 641585: solve the equation in real # system

real solutions of the equation are x=?
dont see why my tutor i was assigned cant do these, please help
Click here to see answer by Alan3354(69443)

Question 641616: solve the equation in real # system
x^3-3/4x^2+31/4x+2=0
real solutions of the equation are x=?
dont see why my tutor i was assigned cant do these, please help
please show work
Click here to see answer by jim_thompson5910(35256)

Question 641713: The slope of a line is 16 and the point (2, 3) is on the line. Express the line in slope-intercept form.

Click here to see answer by DrBeeee(684)

Question 641808: solve -4k+5<21 and graph
Click here to see answer by jim_thompson5910(35256)

Question 641849: Idk how to do 14k=84 help:/
Click here to see answer by Alan3354(69443)

Question 641849: Idk how to do 14k=84 help:/
Click here to see answer by Edwin McCravy(20054)

Question 641849: Idk how to do 14k=84 help:/
Click here to see answer by jim_thompson5910(35256)

Question 641853: I'm having trouble solving this equation: x(a+b)= a-d solve for x
Click here to see answer by jim_thompson5910(35256)

Question 641878: I have tried solving for s in the equation but cannot seem to get it right--can you help?
5.00s +6.50s + 7.25s + 20 = 5.50s + 4.75s +5.75s +8.00s+ 18.0

If you could just get me pointed in the right direction I would appreciate this!
Click here to see answer by jim_thompson5910(35256)

Question 641869: I do not understand how to solve for m? Please help!
x(m+2)+y(m-8)= 2(m-4)
Click here to see answer by solver91311(24713)

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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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, 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, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660, 15661..15705, 15706..15750, 15751..15795, 15796..15840, 15841..15885, 15886..15930, 15931..15975, 15976..16020, 16021..16065, 16066..16110, 16111..16155, 16156..16200, 16201..16245, 16246..16290, 16291..16335, 16336..16380, 16381..16425, 16426..16470, 16471..16515, 16516..16560, 16561..16605, 16606..16650, 16651..16695, 16696..16740, 16741..16785, 16786..16830, 16831..16875, 16876..16920, 16921..16965, 16966..17010, 17011..17055, 17056..17100, 17101..17145, 17146..17190, 17191..17235, 17236..17280, 17281..17325, 17326..17370, 17371..17415, 17416..17460, 17461..17505, 17506..17550, 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20746..20790, 20791..20835, 20836..20880, 20881..20925, 20926..20970, 20971..21015, 21016..21060, 21061..21105, 21106..21150, 21151..21195, 21196..21240, 21241..21285, 21286..21330, 21331..21375, 21376..21420, 21421..21465, 21466..21510, 21511..21555, 21556..21600, 21601..21645, 21646..21690, 21691..21735, 21736..21780, 21781..21825, 21826..21870, 21871..21915, 21916..21960, 21961..22005, 22006..22050, 22051..22095, 22096..22140, 22141..22185, 22186..22230, 22231..22275, 22276..22320, 22321..22365, 22366..22410, 22411..22455, 22456..22500, 22501..22545, 22546..22590, 22591..22635, 22636..22680, 22681..22725, 22726..22770, 22771..22815, 22816..22860, 22861..22905, 22906..22950, 22951..22995, 22996..23040, 23041..23085, 23086..23130, 23131..23175, 23176..23220, 23221..23265, 23266..23310, 23311..23355, 23356..23400, 23401..23445, 23446..23490, 23491..23535, 23536..23580, 23581..23625, 23626..23670, 23671..23715, 23716..23760, 23761..23805, 23806..23850, 23851..23895, 23896..23940, 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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30331..30375, 30376..30420, 30421..30465, 30466..30510, 30511..30555, 30556..30600, 30601..30645, 30646..30690, 30691..30735, 30736..30780, 30781..30825, 30826..30870, 30871..30915, 30916..30960, 30961..31005, 31006..31050, 31051..31095, 31096..31140, 31141..31185, 31186..31230, 31231..31275, 31276..31320, 31321..31365, 31366..31410, 31411..31455, 31456..31500, 31501..31545, 31546..31590, 31591..31635, 31636..31680, 31681..31725, 31726..31770, 31771..31815, 31816..31860, 31861..31905, 31906..31950, 31951..31995, 31996..32040, 32041..32085, 32086..32130, 32131..32175, 32176..32220, 32221..32265, 32266..32310, 32311..32355, 32356..32400, 32401..32445, 32446..32490, 32491..32535, 32536..32580, 32581..32625, 32626..32670, 32671..32715, 32716..32760, 32761..32805, 32806..32850, 32851..32895, 32896..32940, 32941..32985, 32986..33030, 33031..33075, 33076..33120, 33121..33165, 33166..33210, 33211..33255, 33256..33300, 33301..33345, 33346..33390, 33391..33435, 33436..33480, 33481..33525, 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