Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 268941: 2(4 – 3/5 q) < 5
Click here to see answer by persian52(158)

Question 268939: –2(x + 6) > x + 4
Click here to see answer by persian52(158)

Question 268507: I WRITE DOWN THREE CONSECUTIVE EVEN NUMBERS. SIX TIMES THE SMALLEST PLUS TWO TIMES THE LARGEST EQUALS SEVEN TIMES THE MIDDLE NUMBER. FIND THE THREE NUMBERS.
Click here to see answer by ankor@dixie-net.com(15624)

Question 268922: sketch a graph of the line that contains the indicated points and/or has the indicated slope and/or has the indicated intercepts. Write the equations of the line in the slope intecetpt from y=mx+b or in the form x=c.
(0,4); m=-3
Click here to see answer by drk(1908)

Question 268860: 37=85-t
Click here to see answer by persian52(158)

Question 268971: how do you factor 9x^2-100
Click here to see answer by drk(1908)

Question 268971: how do you factor 9x^2-100
Click here to see answer by persian52(158)

Question 268485: -8x - 4x = -5
Click here to see answer by persian52(158)

Question 268981: one number is four times another. the sum of the numbers is 35. what are the numbers???
Click here to see answer by stanbon(57219)

Question 268378: factor the trinomial: 6r^2-60r+126
Click here to see answer by stanbon(57219)

Question 268982: paul left springfield traveling north at an average speed of 64 miles per hour. tim left springfield traveling south at an avergae spped of 58 miles per hour. how long would it take after paul left for them to be 982 miles apart? how many hours would it be after paul left?
Click here to see answer by drk(1908)

Question 269034: 2x to the second power +5x+2
Click here to see answer by Alan3354(30959)

Question 269037: x to the third power -x to the second power -20x=
Click here to see answer by Earlsdon(6287)

Question 269036: 4x to the second power -7x-2=
Click here to see answer by Alan3354(30959)

Question 269033: a to the second power + 8a+15
Click here to see answer by Alan3354(30959)

Question 269063: Post your 50-word response to the following: How do you know when an equation has infinitely many solutions? How do you know when an equation has no solution?
Click here to see answer by persian52(158)

Question 269100: Divide 50 into two parts such that the sum of their reciprocals is 1/12. the numbers are
(a)(24,26) (b) (28,22) (c) (27,23) (d) (20,30)
Click here to see answer by mananth(12270)

Question 269134: five-sixth of what number is -60
Click here to see answer by stanbon(57219)

Question 269134: five-sixth of what number is -60
Click here to see answer by Earlsdon(6287)

Question 269203: -6n-2n=16 how do you work that out?
Click here to see answer by Alan3354(30959)

Question 269304: (^5) (-3^5+5)
Click here to see answer by Alan3354(30959)

Question 269339: 22x+2(3x+5)= 66
Find what X is.
Click here to see answer by mananth(12270)

Question 269364: A number consist of two digit whose sum is 5. When the digits are reversed, tne number becomes greater by 9.Find the number:
Click here to see answer by stanbon(57219)

Question 269364: A number consist of two digit whose sum is 5. When the digits are reversed, tne number becomes greater by 9.Find the number:
Click here to see answer by Alan3354(30959)

Question 269531: add
(3x)+(5)/(x)
Click here to see answer by drk(1908)

Question 269531: add
(3x)+(5)/(x)
Click here to see answer by stanbon(57219)

Question 269542: Factor,
a^2+6a+9
Click here to see answer by drk(1908)

Question 269539: Subtract
(6x)/(x^2-4)-(3)/(x-2)
Click here to see answer by stanbon(57219)

Question 269540: Solve,
x^2+18x-4=0
Click here to see answer by Alan3354(30959)

Question 269564: (6/y+4)+1=(5/2y+8)
I thought that the next step would look like:
6(2y+8)+(y+4)(2y+8)=5(y+4) but the answer in the back of the book does not
correspond with this once I finish solving it.
The final answer should be -15/2.
Click here to see answer by Alan3354(30959)

Question 269535: Write these fractions with a common denominator; your answer should be two fractions!
(5)/(x+3), (4)/(x)
Click here to see answer by Edwin McCravy(8879)

Question 269732: Sven can type 32 words per minute. How many words would he type in 1/3 hour?
Click here to see answer by Alan3354(30959)

Question 269732: Sven can type 32 words per minute. How many words would he type in 1/3 hour?
Click here to see answer by josmiceli(9649)

Question 269743: mike a salvation army ringer bell ringer has 5 fewer quarters that nickels. If his cup has $5.95 in quarters and nickels , how many nickels does he have.
Click here to see answer by josmiceli(9649)

Question 269761: Solve the equation for y 2x+10y=3 Trying to find the slope by solving the equation for y
Click here to see answer by Alan3354(30959)

Question 269790: solve 5y+10=-35=
Click here to see answer by papugai(18)

Question 269876: The table shows the current heights and average growth rates of two different species of trees. How long will it take for the two trees to be the same height?
Tree Species | Current Height | Annual Growth
A 38 Inches 4 inches
B 45.5 Inches 2.5 Inches
Define Variables, Write an equation.
I would very much appreciate everyone's help!
Click here to see answer by drk(1908)

Question 269884: A long-distance telephone company charges as $19.95 standard monthly service fee plus %0.05 per minute of long-distance use. Write a polynomial to express the monthly cost of the phone plan if 'x' minutes of long-distance time are used per month. What is the degree of the polynomial?
I don't know if I'm going in the right direction, would I make an equation like this?
19.95 + .05x
Thanks in advance!
Click here to see answer by jim_thompson5910(28476)

Question 269920: Solve for x.
7[2-(3+4r]=-9+2(1-5r)
7[-1+2r] = -9+2.1 2.-15r
-7+2r -7 -30r
+7 +7
2r = 0 -30r
+30r +30r
32r = 0
I have no idea if I am even close with this one. The brackets are throwing me off I think.
Click here to see answer by drk(1908)

Question 269911: (t/3 -2)=(3t/8)
how do you solve?

Click here to see answer by checkley77(12569)

Question 269930: here's what I got so far. I got stuck at the very last line and am not sure what to do after.
2x/3-(x-1/2)=1/6(x-51)
=> 2x/3-x+1/2=1/6(x-51)
=> 4x/6 -6x/6+3/6=x-51/6
=> 4x-6x+3/6=x-51/6
=>-2x+3=x-51
Click here to see answer by jim_thompson5910(28476)

Question 269890: An office supply company produces yellow document envelopes. The envelopes come in a variety of sizes, but the length is always 4 centimeters more than double the width. Write a polynomial expression to give the perimeter of any of the envelopes.
Would the expression be something like this?
2(L + 4) + 2w = perimeter
Click here to see answer by checkley77(12569)

Question 269545: Write these fractions with a common denominator; your answer should be two fractions!
(5)/(x+3), (4)/(x)
Click here to see answer by ankor@dixie-net.com(15624)

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, 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, 17551..17595, 17596..17640, 17641..17685, 17686..17730, 17731..17775, 17776..17820, 17821..17865, 17866..17910, 17911..17955, 17956..18000, 18001..18045, 18046..18090, 18091..18135, 18136..18180, 18181..18225, 18226..18270, 18271..18315, 18316..18360, 18361..18405, 18406..18450, 18451..18495, 18496..18540, 18541..18585, 18586..18630, 18631..18675, 18676..18720, 18721..18765, 18766..18810, 18811..18855, 18856..18900, 18901..18945, 18946..18990, 18991..19035, 19036..19080, 19081..19125, 19126..19170, 19171..19215, 19216..19260, 19261..19305, 19306..19350, 19351..19395, 19396..19440, 19441..19485, 19486..19530, 19531..19575, 19576..19620, 19621..19665, 19666..19710, 19711..19755, 19756..19800, 19801..19845, 19846..19890, 19891..19935, 19936..19980, 19981..20025, 20026..20070, 20071..20115, 20116..20160, 20161..20205, 20206..20250, 20251..20295, 20296..20340, 20341..20385, 20386..20430, 20431..20475, 20476..20520, 20521..20565, 20566..20610, 20611..20655, 20656..20700, 20701..20745, 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