Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 113944: 12(y+5)=13y=2
Click here to see answer by jim_thompson5910(28476)

Question 113935: Solve. 4x – 0.92 = 3(x – 0.04)
Click here to see answer by jim_thompson5910(28476)

Question 113957: Write in standard notation.
8.129 X 10 -6

Click here to see answer by checkley71(8403)

Question 113957: Write in standard notation.
8.129 X 10 -6

Click here to see answer by MathLover1(6617)

Question 113385: Add or subtract. Write the answer in lowest terms.
x
over
x-4
plus
8
over
x+4
minus
32
over
x^2-16
Click here to see answer by ankor@dixie-net.com(15625)

Question 113877: Ana is 24 years older than twice the age of her younger sister. In ten years, their combined ages will be 110 years. How old are they now?
Click here to see answer by ankor@dixie-net.com(15625)

Question 114110: Evaluate the following expressions.
!-27 + 14!
There is a straight line on both the begining and the end instead of an exclamation mark
Click here to see answer by stanbon(57224)

Question 114104: 1/3 + (-5/6) + (-1/2) OK I have no idea about these at all. The parenthesis are actually "longer" than a normal parenthesis. I have read all about these and nothing is sinking in for some reason, can someone help me please?
Click here to see answer by stanbon(57224)

Question 114119: PLEASE HELP ME SOLVE THIS WRITE EACH EQUATION IN STANDARD FORM
Click here to see answer by stanbon(57224)

Question 114123: Business and finance. Jean deposited a check for $625, wrote two for $68.74 and
$29.95 and used her debit card to pay for a purchase of $57.65. How has her
account balance changed?
This is what I got, is this correct? I subtracted all the checks and purchases from the $625, right? I hope?!!
$399.92
Click here to see answer by edjones(7569)

Question 114102: 7 + (-9) + (-5) + 6
I need help with this one please. Is this where i do what is in the parenthesis first? Then what? Help!!
Click here to see answer by edjones(7569)

Question 114129: A football team is planning a banquet. It offers 2 types of meals. The first one is a turkey plate for $8.00 the second is a roast beef plate for $12.00. The total budget is $980.00 for 100 people. X is the turkey and Y is the roast.
X + Y = 100
8
X +12Y =980
a) solve the system of equations by elimination.
b) How many turkey plates are sold?
c) How many roast beef plates are sold?
Click here to see answer by bucky(2189)

Question 114192: Sove the porportion.
9. a/5 = 27/45
Any help with this equation would be Greatly appreciated.
Click here to see answer by stanbon(57224)

Question 114178: Order the ratios from least to greatest
5:16, 3/8 , 2 to 6, 4/15, 12:40
Any help with this equation would be Greatly appreciated.
Click here to see answer by stanbon(57224)

Question 114194: Solve the equation.
7(y + -7) = 9y -49

Click here to see answer by MathLover1(6617)

Question 114193: Sove the porportion.
10. x/28 = 56/14
Any help with this equation would be Greatly appreciated.
Click here to see answer by MathLover1(6617)

Question 114193: Sove the porportion.
10. x/28 = 56/14
Any help with this equation would be Greatly appreciated.
Click here to see answer by stanbon(57224)

Question 114191: Write the equivalent rate.
8. 72 ft/4 sec = ? yd/ 1 sec
Any help with this equation would be Greatly appreciated.
Click here to see answer by stanbon(57224)

Question 114191: Write the equivalent rate.
8. 72 ft/4 sec = ? yd/ 1 sec
Any help with this equation would be Greatly appreciated.
Click here to see answer by MathLover1(6617)

Question 114188: Write the equivalent rate.
7. 40 mi/1 min = ? mi/1h
Any help with this equation would be Greatly appreciated.
Click here to see answer by jim_thompson5910(28476)

Question 114188: Write the equivalent rate.
7. 40 mi/1 min = ? mi/1h
Any help with this equation would be Greatly appreciated.
Click here to see answer by stanbon(57224)

Question 114269: 7X over 9 plus 3 equals one-eighth.
Click here to see answer by stanbon(57224)

Question 114260: Hello out there,I need some help with some problems,the first one is,Solve 6/x+2=2/x-4.The next one is,Solve 3/x+4-1/x=1/x.The third one is,Solve x/5=x+4/9.And the last one is,Solve 1/2x+1/x=3/8,thanks to whoever can help.
Click here to see answer by solver91311(16868)

Question 114398: (-9)(5)
________
-3
This is supposed to be a fraction and I have no idea how to do this. Can someone please help.
Click here to see answer by stanbon(57224)

Question 114401: The sum of two areas of two circles is 128(pie)ft^2. The difference of the circumferences is 8(pie)ft. Find the radius of each circle.
Click here to see answer by stanbon(57224)

Question 114423: 1/3x+2=1 I have been working the problem but I don't understand
Click here to see answer by jim_thompson5910(28476)

Question 114426: 16x-9x=16.1
Click here to see answer by jim_thompson5910(28476)

Question 114428: 4-7x=18
Click here to see answer by jim_thompson5910(28476)

Question 114427: 1.3x+2.8x=12.3
Click here to see answer by jim_thompson5910(28476)

Question 114429: 2x-3+5x=7+4x+2
Click here to see answer by jim_thompson5910(28476)

Question 114430: 3x+2(4x-3)=6x-9
Click here to see answer by jim_thompson5910(28476)

Question 114431: 5.3x-7=2.3x+5
Click here to see answer by jim_thompson5910(28476)

Question 114432: 6x-4x+1=12+2x-11
Click here to see answer by jim_thompson5910(28476)

Question 114433: 6x+3=5x
Click here to see answer by jim_thompson5910(28476)

Question 114435: 3x+2(4x-3)=6x-9
Click here to see answer by stanbon(57224)

Question 114435: 3x+2(4x-3)=6x-9
Click here to see answer by jim_thompson5910(28476)

Question 114434: 3x-0.54=2(x-0.15)
Click here to see answer by jim_thompson5910(28476)

Question 114439: I have a word problem....The product of three and a number decreased by seven is seventeen. What is the number? I need to formulate an equation. I wish word problem made since to me. Thank you
Click here to see answer by stanbon(57224)

Question 114568: The revenue for a sandwich shop is directly proportional to its advertising budget.When the owner spent $2000 a month on advertising, the revenue was $120,000. If the revenue is now $180,000, how much is the owner spending on advertising?
My question is this: what I know so far is that there is a difference of $60,000 between the old and new revenues. Would I take the $2000 and divide by that difference of $60,000? Or am I just confusing myself here
Thank You so much for your help,
Barb Neely
Click here to see answer by checkley71(8403)

Question 114592: Solve the porportion
4/5 = 64/c
Any help with this equation would be Greatly appreciated.
Click here to see answer by jim_thompson5910(28476)

Question 114596: Solve the porportion

14.d/6 = 65/26
Any help with this equation would be Greatly appreciated.
Click here to see answer by checkley71(8403)

Question 114598: Solve the porportion

16. 40/m = 32/16
Any help with this equation would be Greatly appreciated.
Click here to see answer by checkley71(8403)

Question 114100: Place the following set in ascending order.
3/7, -6/7, 1/7, -1/2, 2/7 These have to go in ascending order and again they are fractions which i hate, and need help. I am thinking the -1/2, -6/7 are the first 2 in ascending order? Then 1/7, 2/7, 3/7 ? or am I backwards or not even close?
Click here to see answer by ankor@dixie-net.com(15625)

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