Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 703693: how you write this equation in standard form 2(2x + 5) = -2y

Click here to see answer by josmiceli(19441)

Question 703695: what is the solution of the equation?
sqrt(2x+13) -5 = x
Click here to see answer by Nfrey78(18)

Question 703722: Please help me get the equation for this problem:
If the length of each side of a square is decreased by 4in., the perimeter of the new square is 10 in. more than half the perimeter of the original square. What are the dimension of the original square?
Click here to see answer by nerdybill(7384)

Question 703774: x/3 +2= x/2
I'm not sure how to solve with x on both sides of the equation. I really need help with being shown the steps to solve this. Thanks
Click here to see answer by lwsshak3(11628)

Question 703808: slope form of -3x+2y=8
Click here to see answer by unlockmath(1688)

Question 703799: =
Click here to see answer by math33(31)

Question 703845: translate expressions such as 1/2 of 2/3 of 1/6 into a equation
Click here to see answer by fcabanski(1391)

Question 703903: Simplify
(3x+2y)+(-3x-3y)
Click here to see answer by rfer(16322)

Question 703956: -3x+8=7
Click here to see answer by jim_thompson5910(35256)

Question 703937: how do you solve x^1/2-5x^1/4+6
Click here to see answer by DrBeeee(684)

Question 704006: -4p+3q=-6

q=
Click here to see answer by algebrahouse.com(1659)

Question 704006: -4p+3q=-6

q=
Click here to see answer by jim_thompson5910(35256)

Question 704041: how to translate the ratio of a number and ten?
Click here to see answer by sachi(548)

Question 704048: - X sq + X + 1 = 0
What is X ?
Click here to see answer by sachi(548)

Question 704091: i need help solving this -x/4>8 so i multiplied by 4 on both sides and got -x>32 how do i get rid of the -x? or do i just leave it there?
Click here to see answer by sachi(548)

Question 704235: I need to know what i'm doing wrong. in the problem: y/2y-5=5/y i multiplied the denominator on the right hand side by 2y-5 and the numerator by that so i can cancel out. but now im stuck and dont know how to proceed.
Click here to see answer by ankor@dixie-net.com(22740)

Question 704264: What is the value of x for 6x>x+10 and x-1<3?
A. 2
B. 3
C. 4
D. 5
Click here to see answer by josgarithmetic(39617)

Question 704367: Twenty ounces of pure silver are added to 65 oz of a silver alloy that is 15% silver. What is the percent concentration of the resulting alloy?
What is the answer and how do I work this problem.
Click here to see answer by josmiceli(19441)

Question 704505: x/2-1=2/3x-3
Click here to see answer by lynnlo(4176)

Question 704517: 7b-5=44

Click here to see answer by jim_thompson5910(35256)

Question 704528: how do you solve the equation -6x + 13 = 2x - 11
Click here to see answer by jim_thompson5910(35256)

Question 704546: If 9(x-9)=-11 then x= ?
Click here to see answer by jim_thompson5910(35256)

Question 704549: Solve the equation by graphing. Where necessary, round to the nearest hundredth.
-x^3 - 3x - 3 = 0
Click here to see answer by jim_thompson5910(35256)

Question 704553: A function f (x) is defined as f (x) = 8�. What is f (-3) ?
Click here to see answer by jim_thompson5910(35256)

Question 704565: A function f (x) is defined as f (x) = 8x�. What is f (-3) ?
Click here to see answer by jim_thompson5910(35256)

Question 704601: when the shot is releases at an angle of 65 degrees, its path can be modeled by the formula
y=-0.04xsquared+2.1x+6.1, in which x is the shots horizontal distance, in feet, and y is its height, in feet. use the formula to determine the shots maximum distance and round to the nearest tenth of a foot
Click here to see answer by stanbon(75887)

Question 704632: please help me solve this equation!! y=2x and 2y=-x=4

Click here to see answer by Alan3354(69443)

Question 704650: if y=17.5 when x=21, find y when x=8
Click here to see answer by Alan3354(69443)

Question 704642: I need help with this word problem and creating a system of equations that can be used to solve it. "Logan asked his 20 coworkers whether they owned a car or a truck. There were 6 more car owners than truck owners."
Click here to see answer by rfer(16322)

Question 704709: how do you compute 25 - [-7]?
Click here to see answer by checkley79(3341)

Question 704795: 3x-4=0 isnt this 3x=4 then x=3/4? The solution says its 1 1/3 or 4/3 but that isnt right? Please help fast. Thanks!
Click here to see answer by Alan3354(69443)

Question 704845: Please help me solve this equation:
5x-17=-x+7
Need to find the value of x.
Click here to see answer by nerdybill(7384)

Question 704906: The price of corn is $6.21 cwt. (per 100 weight = per hundred pounds). There are 56 pounds of corn per bushel. A farm has 160 acres of corn that yields 200 bushels per acre. How much money will the farmer make on the crop?
Click here to see answer by stanbon(75887)

Question 704856: 8=8v - 4v+8
Click here to see answer by checkley79(3341)

Question 704968: May you show a detailed process to solve x-8y=18 and -16+16y =18 using elimination. I tried the first equation by making the first equation opposites by multiplying the first equation times two. What needs to take place after making the equations opposites.

Click here to see answer by Alan3354(69443)

Question 705065: 4 - 2(x-5) + 4x = 8
I keep getting -1 but my teacher said it was wrong.
Click here to see answer by ankor@dixie-net.com(22740)

Question 705192: Solve the equation. Identify any extraneous solutions. x=√(x+30)
Click here to see answer by josgarithmetic(39617)

Question 705217: x+2y=54
x+5y=110
Find x and y
Haven't done this for 45 years, and have forgotten how!
Many thanks
Click here to see answer by mouk(232)

Question 705250: y=5x -126 when x is 3 times as great as y What is the value of x

Click here to see answer by nerdybill(7384)

Question 705278: I need to solve for x and show work --> (2/x-2)=(4/x-3)-(1/x+1)
Click here to see answer by Stitch(470)

Question 705338: Think of brand for each product listed below. Then write a brief advertisement for each using any of the 4 techniques. testimonials,appeal to your vanity, bandwagon technique, scientific approach. 1.toothpaste 2. hand lotion 3. cereal 4. hair dye 5. soft drink
Click here to see answer by solver91311(24713)

Question 705310: Find all real zeros of the function g(x)=x^3+4x^2-x-4
Click here to see answer by nerdybill(7384)

Question 705432: 12-3(a-1)=11+a

-2(3x-6)=4x
I am having trouble solving these 2 problems. I got the other 10 but these 2 just dont come out right. please help
Click here to see answer by solver91311(24713)

Question 705447: You have the points (-3,-1) and (2,1) on a line and the slope is -2/5. How do you write this in point-slope form?
Click here to see answer by Alan3354(69443)

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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, 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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