Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 441041:
Click here to see answer by Leaf W.(135)

Question 441066: tell wether the ordered pair is a solution of 3x+y=9

Click here to see answer by Leaf W.(135)

Question 443248: Determine whether the graphs of the two lines are parallel.
y+3=9x
6x-y=-3
Are the graphs of the given equations parallel?
no or yes
Click here to see answer by Leaf W.(135)

Question 443386: Show the work to solve |2x+5| -1 < 6
Describe the graph of the solution in a complete sentence

Click here to see answer by stanbon(75887)

Question 443451: Solve the equation and check
3x-8/9 +x + 3x+8/3 +3
Click here to see answer by rfer(16322)

Question 443516: What time does the Royal wedding begin? What time is that Eastern Standard Time? Write out an algebraic equations for the answer.
Click here to see answer by Alan3354(69443)

Question 443544: A bank teller has 54 $5 and $20 bills in her drawer. The value of the bills is $780. How many $5 bills are there?
Click here to see answer by swincher4391(1107)

Question 443617: -14+50=x+45-46+76
Click here to see answer by rfer(16322)

Question 443625: Please show me how to solve this equation.
2x - (3+x) = 8
Click here to see answer by edjones(8007)

Question 443691: Annette claims the following problem has no solution: �The sum of the page numbers on facing pages is 191. Find the page numbers.� Is she correct? Why or why not?
Click here to see answer by Alan3354(69443)

Question 443789: I do not know how to factor this equation:
x^2-2xcos(theta)+1=0 in terms of x
What I am looking for are the roots
Click here to see answer by swincher4391(1107)

Question 443824: Translate into symbols. 5 plus the quantity of 6 minus m
Click here to see answer by edjones(8007)

Question 443822: please show me how to solve this problem, I'm in pre-algebra
5x+1=4x-7=-8

Click here to see answer by Alan3354(69443)

Question 444007:
Click here to see answer by rwm(914)

Question 444007:
Click here to see answer by richard1234(7193)

Question 444005:
Click here to see answer by MathLover1(20849)

Question 444488: Solve for n: 15,21,5,n,17. Mean = 15
how do I solve this without resorting to trial and error?
Click here to see answer by rfer(16322)

Question 444299: Jackie either drives or bicycles from home to school. Her average speed when driving is 36mph, and her average speed when bicycling is 12mph. If it takes her 1/2 hour less to drive to school than to bicycle, how long does it take her to go to school, and how far is the school from her home?
Click here to see answer by ankor@dixie-net.com(22740)

Question 444628: May you please help me on this word promblem? : a chess tournament starts with 64 people commpeting. The ecponential function, y=64(1/2)^x describes how many people are remaining in the tournament after x rounds. how many rounds will it take to reach a champion?

Click here to see answer by solver91311(24713)

Question 444867: Hi I am a teacher of Adult Education / GED and myself and another teacher have been completely stumped by the following equation. Please help by giving us the answer and showing the work.
18.5 x (10-n)/n = 18.5

thank you! :)
Click here to see answer by nerdybill(7384)

Question 444963: solve this equation 2/3x=5/6
Click here to see answer by ikleyn(52781)

Question 445016: solution for 7(x+y) + 3x - 5y
my son's answer is 10x - 12y
I think the answer is 10x + 2y
Click here to see answer by Alan3354(69443)

Question 444970: 35% x Y = 9,945
Click here to see answer by jorel1380(3719)

Question 445041: a large pipe can fill a tank 10 min faster than it takes a smaller pipe to fill the same tank. together, both pipes can fill the tank in 12 min. how long would it take the large pipe working alone to fill the tank?
Click here to see answer by jorel1380(3719)

Question 445044: Please help me solve my problem
y^2+8y+32=0
Click here to see answer by checkley79(3341)

Question 445177: what are the steps you can use to solve t/7 +4>6
Click here to see answer by solver91311(24713)

Question 445314: 10 out of 28=n out of 56????
Click here to see answer by rfer(16322)

Question 445438: 5/X^2-4
Click here to see answer by MathLover1(20849)

Question 445600: If x=-3 is a root of the equation ((( x^3+3x^2-ax-12=0 ))) then a= ?
Click here to see answer by MathLover1(20849)

Question 445912: write the expression as a complex number in standard form
(-1+i)-(-2-i)
13i over 1-2i
Click here to see answer by stanbon(75887)

Question 445903: What are each of the equations for alebraic equations? and what are the formulas for to get them for when am trying to convert into each other? thanks
Click here to see answer by richard1234(7193)

Question 445990: The slope of a line is 9 and the point (4, 19) is on the line. Express the line in slope-intercept form.
Click here to see answer by rfer(16322)

Question 446025: Please help me solve this.
2x+y=-10
3x+2y=-14
Click here to see answer by stanbon(75887)

Question 446177: Solve by substitution method.
6x-7y=-35
2x+21=y
Solution type in ordered pair.
Click here to see answer by mananth(16946)

Question 446194: 2/3t-1/3t=-2
Click here to see answer by The One(11)

Question 446156: Please factor 8x^2-10x+3
Click here to see answer by The One(11)

Question 446202: 3a=18-3b
What is the value of a+b?
Click here to see answer by Leaf W.(135)

Question 446378: how do you solve this problem and the steps to solve it 6(n+2)+3+33
Click here to see answer by rfer(16322)

Question 446390: Find the x- and y-intercepts and graph the equation -6x-3y=27, plotting the intercepts.
Click here to see answer by stanbon(75887)

Question 446404: I don't know how to translate one tenth of y to an algebraic expression.
Your help will be greatly helpful.
Thank you.
Click here to see answer by rwm(914)

Question 446533: I need to factor this completely, but I dont think It factors.
3x^3+2x^2+8x=

Click here to see answer by MathLover1(20849)

Question 446533: I need to factor this completely, but I dont think It factors.
3x^3+2x^2+8x=

Click here to see answer by duckness73(47)

Question 446474: I am trying to figure out how many miles I can drive with a car if gas is 4.11 ( rounding to $4) a gallon, my car gets 38 MPG and I have 50 dollars to spend.The amount of miles I would get for 50 dollars would be "x". thank you
Click here to see answer by rfer(16322)

Question 446571: If the product of a number and -17 is decreased by 4, the result is 3 greater than the product of the number and -9. What is the number?
Thank you for your help with my home work question I am stuck on. I have this so far:
-17N-4=
Click here to see answer by sudhanshu_kmr(1152)

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, 27136..27180, 27181..27225, 27226..27270, 27271..27315, 27316..27360, 27361..27405, 27406..27450, 27451..27495, 27496..27540, 27541..27585, 27586..27630, 27631..27675, 27676..27720, 27721..27765, 27766..27810, 27811..27855, 27856..27900, 27901..27945, 27946..27990, 27991..28035, 28036..28080, 28081..28125, 28126..28170, 28171..28215, 28216..28260, 28261..28305, 28306..28350, 28351..28395, 28396..28440, 28441..28485, 28486..28530, 28531..28575, 28576..28620, 28621..28665, 28666..28710, 28711..28755, 28756..28800, 28801..28845, 28846..28890, 28891..28935, 28936..28980, 28981..29025, 29026..29070, 29071..29115, 29116..29160, 29161..29205, 29206..29250, 29251..29295, 29296..29340, 29341..29385, 29386..29430, 29431..29475, 29476..29520, 29521..29565, 29566..29610, 29611..29655, 29656..29700, 29701..29745, 29746..29790, 29791..29835, 29836..29880, 29881..29925, 29926..29970, 29971..30015, 30016..30060, 30061..30105, 30106..30150, 30151..30195, 30196..30240, 30241..30285, 30286..30330, 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, 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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