Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 274457: write an equation based on the sentence:
a number x is five more than two times x minus three
Click here to see answer by sunsun(4)

Question 274481: Please help me solve the system:
x + 3y + 4z = -14
4y +2z = -22
z= -1
Click here to see answer by scott8148(6628)

Question 274480: Please help me solve the system:
x - 6y = 11
4x - 7y = 10
Click here to see answer by scott8148(6628)

Question 274517: Soybean meal is 18% protein, cornmeal is 9% protein.How many pounds of each should be mixed in order to get 360lb of mixture that is 10% protein?

a. how many pounds of cornmeal should be in the mixture?

b. how many pounds of soybean meal should be in the mixture?
Click here to see answer by anantha(86)

Question 274515: Hi Appreciate any help on this.
T is earning 350 more than J every month. Each month they spend 80 and saved the rest.
1)how long will it take for T to save 2100 and J to save 4550?
2)what's T monthly salary?
thanks alot for the help
Click here to see answer by dabanfield(803)

Question 274630: Solve by the elimination method:
5x+6y=17
5x-y=38

I appreciate any help that you can give me for this. And please try to explain it to me the best you can.
Thank you!
Click here to see answer by stanbon(57220)

Question 274652: 7y-x=32
x=3y
Solve by using the substitution method.

Please help me with this if you can. Thank you.
Click here to see answer by stanbon(57220)

Question 274662: I have tried watching the video as well as look at the actual problems in the book, but neither actually go over a problem just like the 1 that they have on the quiz. I am taking an on line basic college algebra class in TX. The instructor is non-available and I have asked several others to help with no assistance. I can not go any further in the homework/weekly quizzes until I get this question answers. I do not want the answer I would like help with the process please. The basic question will look like this negative 3 is less thank or equal to 3 minus 2x over 3 (fraction form) is less than or equal to 3.
Thank you for your assistance.
V/R,
Miss ALS

Click here to see answer by JBarnum(2044)

Question 274941: 1.how do I factor: 3x^4-24xy^3

2. solve all complex roots: 9x^4-18x^3+3x^2=16x

3. describe the long run behavior label all minimum, maximum, and x/y intercepts
for: y= 15x^4-68x^3-7x^2+24x-4
4. factor and find all complex 0's for f(x)=x^4+3x^2-8x^2-22x-24
Click here to see answer by edjones(7569)

Question 274952: 4y+2=y+5

Click here to see answer by jim_thompson5910(28476)

Question 275045: 4x+3+2x=6x+2-x
So far this is what I have.
4x+2x+3=6x-x+2 Rewrite for like terms
6x+3=5x+2
That is where I get lost, can you help me?
Click here to see answer by jim_thompson5910(28476)

Question 275099: solve using the addition principle
2x+1
Click here to see answer by Alan3354(30959)

Question 275096: what is the slope of x+7y=14
Click here to see answer by chashmish(8)

Question 275096: what is the slope of x+7y=14
Click here to see answer by Alan3354(30959)

Question 275207: 3/7(5x+2)-16=8

Click here to see answer by jim_thompson5910(28476)

Question 275089: A new fraction is obtained by adding x to the numerator and denominator of the fraction
17
--
24
This new fraction is equivalent to
2
--
3
Calculate the value of x.
What is The working and answer?
Thanks
Click here to see answer by ankor@dixie-net.com(15624)

Question 275251: complete the square for the binomial x squared-4x, then write the resulting perfect square trinomial.
Click here to see answer by stanbon(57220)

Question 275233: the square root of 32 minus the squre root of 18 plus the square root of 54
Click here to see answer by checkley77(12569)

Question 275281: Please help me solve this equation.. 3|-8x-9|=117
Click here to see answer by jim_thompson5910(28476)

Question 275281: Please help me solve this equation.. 3|-8x-9|=117
Click here to see answer by dabanfield(803)

Question 275344: 3y+2=y-4

Click here to see answer by jim_thompson5910(28476)

Question 275147: how do i do elimination
a+c=2200
4a+1.5c-5050

Click here to see answer by ankor@dixie-net.com(15624)

Question 275457: can u show me a way to do this fraction 3
_ v = 6
4
Click here to see answer by mananth(12270)

Question 275478: Solve 2x^2 − 12x + 4 = 0 by completing the square, expressing the result in simplest radical form.
Click here to see answer by mananth(12270)

Question 275684: media services charges $40 for a phone and $20 a month for an economy plan. The equation c=20t+40 describes the total cost c, of operating a media service phone for t months. The total cost for 8 months of service is? $_
If the customer has only $90.00 available, how many months can she recieve?
My choices are 3,2 1/3,2,2 1/2.
Can you help me solve this?
Click here to see answer by richwmiller(9135)

Question 275689: In 1991 the life expectancy of males was 637 years. In 1995, it was 66.3 years.Let e represent the life exspectancy in year t and let t represent the number of years since 1991. The linear function E(t) fits the data is E(t)=_t+_
Use the function to predict the life expectancy of males in 2009 E(18)=
help me solve this?
Click here to see answer by richwmiller(9135)

Question 275691: solve -16 is less than or equal to 3x-5 that is less than or equal to -4.
Can you help me solve this?
Click here to see answer by JBarnum(2044)

Question 275691: solve -16 is less than or equal to 3x-5 that is less than or equal to -4.
Can you help me solve this?
Click here to see answer by checkley77(12569)

Question 275749: find the next three terms in each sequence.540, 270, 90, 22.5
Click here to see answer by checkley77(12569)

Question 275827: Solve for x.
(x+1)(x+3)(x+5)(x+7)=-15
I've worked this numerous times and get lost every time. Please explain how to find x.
Click here to see answer by mananth(12270)

Question 275764: How do i solve [12x - 4/7] = 5 and it's an absolute value problem.
Click here to see answer by edjones(7569)

Question 275916: can you show me how to solve this prolem?
-(6x-5)-(-5+8)=-3
Click here to see answer by jim_thompson5910(28476)

Question 276015: If a coin is tossed 3 times find the probability of tossing at least one head or at least one tail.
Click here to see answer by vleith(2825)

Question 276012: Ten identically shaped beads are randomly strung along a straight wire. 1f 3 of them are red, 2 are blue, and 5 are green, find the probability the the beads are arranged so that from left to right the beads are red, then blue, then green.
Click here to see answer by stanbon(57220)

Question 276107: I am trying to solve this equation. I also have to show each step. Please help.

3/4(12x + 8) = 50
Thanks.
Click here to see answer by solver91311(16868)

Question 276224: how to convert 702 base 8 into base two
Click here to see answer by Alan3354(30959)

Question 276217: clint has 8 fewer stickers than 2 times Sara's. How many stickers does clint have:
Click here to see answer by checkley77(12569)

Question 276217: clint has 8 fewer stickers than 2 times Sara's. How many stickers does clint have:
Click here to see answer by solver91311(16868)

Question 276255: The problem is 8k-6=10k +6
Click here to see answer by solver91311(16868)

Question 276264: one number is 3 less than 6 times another. if the sum of the numbers is 10, find the numbers
Click here to see answer by solver91311(16868)

Question 276416: 3x+1/2=5/2
Click here to see answer by edjones(7569)

Question 276510: This is a word question. Only using 5 & 10 dollar bills, if you have a total of $90 and 15 total bills how many of each bill do you have?
Click here to see answer by josmiceli(9649)

Question 276533: solve for x.

Click here to see answer by stanbon(57220)

Question 276608: The product of two numbers is 70 one number is 5/7 what is the other number?
Click here to see answer by user_dude2008(1861)

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, 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