Questions on Algebra: Equations answered by real tutors!

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Question 819674: 3(w+1)-5=2(W-1)+w What's the correct answer to this problem? (a)-2 (b)all real Numbers (c) no solution
I say the correct answer is B.
3(w+1)-5=2(w-2)+w
3w+3-5=2w-2+w
3w-2=3w-2
Click here to see answer by LinnW(1048)

Question 819546: Write an equation in slope intercept form for the line described:
contains point (4, -3)and is perpendicular to y=4x+5
Click here to see answer by LinnW(1048)

Question 819144: Please help me with this question
Click here to see answer by LinnW(1048)

Question 819071: F(x)=-3/4x+1/2 find all x intercepts and y intercepts if no intercept exists,say so
Click here to see answer by LinnW(1048)

Question 820214: 4/7 0f class are boys. There are 18 more boys than girls. How many boys and how many girls
Click here to see answer by solver91311(24713)

Question 820043: Solve the system of equations
1) x+y+z+w=2
2x-3z= 5
x-2y+ 4w= 9
x+y+ 2z+ 3w= 5
2) x-y= 3
2x+y= 6
x-2y= 9
3) x-y+z-w= 0
3x-y-z-w= 2
Click here to see answer by TimothyLamb(4379)

Question 820467: I've tried this problem for the last 10 minutes and cannot figure it out! Please help! The sum of 2 consecutive interfere in 35. Write and solve an equation to find the values of the intergers!
Click here to see answer by stanbon(75887)

Question 820500: I need help with two step equation 2x+3=15

Click here to see answer by ewatrrr(24785)

Question 820497: 2/3 times 4/5 times m = 1/3
Find the vaule of m
Click here to see answer by rfer(16322)

Question 820535: what is solution to 3/5 = 2/3t
Click here to see answer by TimothyLamb(4379)

Question 820535: what is solution to 3/5 = 2/3t
Click here to see answer by ewatrrr(24785)

Question 820576: What is the y-intercept of the equation f(x)= 2(7/9)+8?
Click here to see answer by fcabanski(1391)

Question 820578: I don't get algebraic expressions well can you help me im in grade 7

Click here to see answer by fcabanski(1391)

Question 820616: [ two years ago, jimmy was one-fourth as old as his uncle. two years from now, he will be one-third as old as his uncle. how old was jimmy's uncle when jimmy was born? ]
Click here to see answer by TimothyLamb(4379)

Question 531516: Nomar has earned scores of 73, 85, 91 and 82 on the first four out of five math tests for the grading period. He would like to finish the grading period with a test average of at least 82. What is the minimum score Nomar needs to earn on the fifth test in order to achieve his goal?
Click here to see answer by 1510112(1)

Question 820611: A ladder is leaning against the side of a building. Each time I step from one
rung to the next, my foot mover 6 inches closer to the building and 8 inches
further from the ground. The base of the ladder is 9 feet from the wall.
How far up the wall does the ladder reach?

Click here to see answer by TimothyLamb(4379)

Question 820934: 2y-x=? y=-3/4 x=5/8
Click here to see answer by ewatrrr(24785)

Question 821009: Melissa has twice as many pencils as Elle. The difference in pencils is 15. How many pencils does each of the girls have?
Click here to see answer by stanbon(75887)

Question 821043: Can you please help me with this? I lost all the notes for my math class.
Click here to see answer by Alan3354(69443)

Question 821053: Please help me. Ive lost all my notes for class and need help with review. 'The number of students in a math class is 10 more than three times the number in a computer class. If the number of students in the computer class is c, how many students are in the math class?' Id really appreciate your help. Thank you. :)
Click here to see answer by jim_thompson5910(35256)

Question 821060: I dont even think I have the right category for this... I lost all my notes and need help with this problem. It says 'Simplify'.
Click here to see answer by TimothyLamb(4379)

Question 821060: I dont even think I have the right category for this... I lost all my notes and need help with this problem. It says 'Simplify'.
Click here to see answer by jim_thompson5910(35256)

Question 821085: -3(2x-1)=4x-7
Click here to see answer by jim_thompson5910(35256)

Question 821133: Please help me with my math question: If 6 apples cost the same as 3 bananas, and 4 bananas cost the same as 5 melons, how many melons can Jane buy for the trice of 32 apples
- thanks!!
Click here to see answer by stanbon(75887)

Question 821138: Please help me with the equation: Each month, Sophie spends 8/24 of her monthly income on rent. Her car payment is $300, which is 1/3 as much as her rent. What is Sophie's annual income?
-thanks!!!
Click here to see answer by stanbon(75887)

Question 821234: Can someone help me solve this question please:
Q: Simplify
a^2 + 3a a^2 - 9
------------ / -------------
a^2 + 4a + 3 a^2 - 2a - 3
Click here to see answer by ewatrrr(24785)

Question 821266: i am a 7th grader and i can't figure this out. x-8/-7=-8
Click here to see answer by LinnW(1048)

Question 821266: i am a 7th grader and i can't figure this out. x-8/-7=-8
Click here to see answer by josgarithmetic(39617)

Question 821314: ln(x+3)^3 +5=20
Click here to see answer by stanbon(75887)

Question 821344: How can you solve this problem 3x+9=5
Click here to see answer by ewatrrr(24785)

Question 821310: (16+4e^(4-x))/8+5=11 enter it as a decimal rounded to the nearest hundredth, if needed.
Click here to see answer by KMST(5328)

Question 821584: A one-year professional membership in Investigative Reporters and Editors, Inc. (IRE), costs $70. A one-year student membership costs $25. If, in May, 150 members joined IRE for a total of $6810 in membership dues, how many students joined that month?
Click here to see answer by TimothyLamb(4379)

Question 821665: Evaluate the Integral from [1, ln2] 2e^x dx
Click here to see answer by Alan3354(69443)

Question 821748: please help me solve this algebric problem;

Tom, Dick and Harry share 256.Dick share is four times as much as Tom and Tom share is one third of harry.How much is each of their share?
Click here to see answer by mananth(16946)

Question 821780: in a show adult ticket is sold at 1 $ each ticket, and child ticket
costs 75 cents total 140 tickets have
been sold and 150 $ earned, tell how
many each tickets sold? Solve
Click here to see answer by stanbon(75887)

Question 821825: find the sales price of a DVD that originally cost $26.99 and is on sale for 25% off, with 65% sales tax what is the answer?
Click here to see answer by richwmiller(17219)

Question 821830: For what values of k will the system be inconsistent
x=6y+6
kx-3y=6
Work please I don't know how to do this.
Click here to see answer by richwmiller(17219)

Question 821932: what is the solution and answer to x+2=5X+10
Click here to see answer by Alan3354(69443)

Question 821987: For each equation, choose the statement that describes its solution.
If applicable, give the solution.
A. 5(2-v)-v=2(v+1)
B. -3(x+1) +7x=4(x+1) -7

* no solution
* v/x=
* All real numbers are solutions
I got:
A. V=1
B. No Solution
Can someone confirm? Thanks
Click here to see answer by richwmiller(17219)

Question 822011: Which phrase describes the graph of y = -1 on the coordinate plane?
1.a line parallel to the y-axis and 1 unit to the right of it
2.a line parallel to the y-axis and 1 unit to the left of it
3.a line parallel to the x-axis and 1 unit below it 4.a line parallel to the x-axis and 1 unit above it
Click here to see answer by KMST(5328)

Question 821367: x^3+10x=80

Click here to see answer by tommyt3rd(5050)

Question 822032: Solve showing all work.
3n - 5= -8(6 + 5n)

Click here to see answer by jsmallt9(3758)

Question 822355: The number of nickels in $3 plus the number of dimes in $6 is half the number of quarters in (?)
Click here to see answer by TimothyLamb(4379)

Question 822378: if we multiply the number by 6 and subtract 1 the answer we get is the same as when we multiply the number by 2 and add 5. what is the number ?
Click here to see answer by TimothyLamb(4379)

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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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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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