Questions on Algebra: Equations answered by real tutors!

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Question 514856: Determine the x and y intercept for each equation.
1.2x-y=10
2.x+3y=-15
3.5x-10y=-20
4.-3x-2y=24
5.8x=2y=16
6.x=y=0
7.x-2y=-1
8.8x-y=-2
Click here to see answer by solver91311(24713)

Question 514873: 6y=8-9+6y
I need help to solve this equation with variables on both sides
Click here to see answer by richwmiller(17219)

Question 514909: How can I solve this equation? using the addition and multiplication principles
19<-2c +5
Click here to see answer by plover(15)

Question 515020: A plane travels from Orlando to Denver and back again. On the five-hour trip from Orlando to Denver, the plane has a tailwind of 40 miles per hour. On the return trip from Denver to Orlando, the plane faces a headwind of 40 miles per hour. This trip takes six hours. What is the speed of the airplane in still air?

Click here to see answer by ankor@dixie-net.com(22740)

Question 515112: Can you please help me solve this? I have an answer, but I am not confident it is correct. Thanks!
y=-3/5(x-4)squared+6
Click here to see answer by Alan3354(69443)

Question 515086: 3x - 1 - x = 3x + 5, -4(x + 7) = -16, 5(x + 3) = 7(x - 5)
Click here to see answer by daffy_duck(3)

Question 515195: -8/9x=48
Click here to see answer by oberobic(2304)

Question 515195: -8/9x=48
Click here to see answer by deborabr(181)

Question 514936: 3x/4=4/3

Click here to see answer by jim_thompson5910(35256)

Question 515321: b^3+b^2-b-1
Click here to see answer by mananth(16946)

Question 515337: find the vertex, the line of symetry, the minumum/maximum value of the quadratic function and graph. -(x+5)^2-6
vertex=
line of symetry=
min/max=
is it min or max=
graph=
Thank you!
Click here to see answer by oberobic(2304)

Question 514565: how to solve the problem: Nature Drinks wants to combine orange juice they will sell for $0.09 per ounce with guava juice they sell for $0.14 per ounce to create an orange guava drink. how many ounces of orange should they use to create a 16 ounce drink that will sell for $1.74
Click here to see answer by bucky(2189)

Question 515367: What is the integer answer of "c" in the problem 20b=17+c
Click here to see answer by Alan3354(69443)

Question 515371: Please solve the equation and check the answer.
3/8x-1/3x+6=1/6x
Click here to see answer by oberobic(2304)

Question 515375: one number is 6 less than another. Three times the smaller number is 2 more than the larger. find the numbers.
Click here to see answer by bipinjha(3)

Question 515375: one number is 6 less than another. Three times the smaller number is 2 more than the larger. find the numbers.
Click here to see answer by Maths68(1474)

Question 515417: write a problem that can be modeled by the equation 2x + 40 = 60. Then solve the equation and explain the solution in the context of the problem
Click here to see answer by oberobic(2304)

Question 515463: A passenger train's speed is 60mi/h,and a freight train's is 40mi/h. The passenger train travels the same distance in 1.5h less time than the freight train. How long does each train take to make the trip?
Click here to see answer by ankor@dixie-net.com(22740)

Question 515512: (5K) to the power of 2 x K to the power of 7
Click here to see answer by stanbon(75887)

Question 515541: Solve the equation for y. (Do not use mixed numbers in your answer.)

4y + 7x = -23
Click here to see answer by stanbon(75887)

Question 515854: What are the steps that you would take to factor out 2x^2+x+3
Click here to see answer by drumwrrv(7)

Question 515872: -1/7a = 5
Click here to see answer by rfer(16322)

Question 515949: please help me simply this algebraic expression: 3y+2y+y^+5+y
Click here to see answer by Alan3354(69443)

Question 516021: 3(2x-1)=9(x+3)
Click here to see answer by tracyc0912(40)

Question 516018: Please help me solve this equation.... 3(x-4)-2(x-8)=1
Click here to see answer by tracyc0912(40)

Question 516017: 3-4x=8x+8
Click here to see answer by tracyc0912(40)

Question 515964: can you please help me find, the equation of the line: passing through (6,6) and perpendicular to 5x-3y-8=0
Click here to see answer by ankor@dixie-net.com(22740)

Question 516139:
Please show me the working out to get {2 - sprt(2), 2 + sqrt(2)}
Click here to see answer by josmiceli(19441)

Question 516137: the circles below is centered at the point (4,3) and has a radius of length 8. Whats its equation?
Click here to see answer by scott8148(6628)

Question 516071: find the area of the trianle 10m and 16m
Click here to see answer by jim_thompson5910(35256)

Question 516560: sky high school ordered two laser printers plus a supply of toner cartridges for them. Each printer cost $675, and each cartridges cost $80. If the total cost was $2310, how many cartridges were ordered?

Click here to see answer by solver91311(24713)

Question 516615: i'm having trouble finding the answer to this problem 1/2(x-8)=x-16 what are the steps i should take?
Click here to see answer by richwmiller(17219)

Question 516585: For Adam's tenth birthday, his grandparents opened a savings account in his name. They made an initial deposit of $750. During the year, Adam made no additional deposits and no withdrawals. At the end of the first year, Adam's money had earned $26.25. Use the formula I = Prt, where I is the amount of interest earned, P is the principal, or the original amount deposited, r is the interest rate, and t is the time for which the money is invested to determine what the interest rate is on his savings account.
I know the equations but forgot the steps, can you walk me through it?
Here is my work so far: $26.25= 750r12
I used 12 in order to replace the 365 days ( 12 months)
What do I do now since the r is in the middle?
Click here to see answer by stanbon(75887)

Question 516639: 4(2a-2)=-10(a-5)
Click here to see answer by oberobic(2304)

Question 516695: -28+15-22z+31
Click here to see answer by rfer(16322)

Question 516697: Hi, I need help. I dont understand how to do two-step equations. Can you please explain it to me step-by-step? Thank you.
Click here to see answer by rfer(16322)

Question 516760: Please help me solve this equation: And I need to know how to check the answer, so ...solve and check
3x�-2x+7-x�+3-2x�=4
Thanks, in advance
Click here to see answer by rfer(16322)

Question 516746: How do I make y by itself?
C=3/4y+b
Click here to see answer by rfer(16322)

Question 516733: two-thirds a number plus five-sixths of the same number is equal to 42. What is the number?
Click here to see answer by rfer(16322)

Question 516818: what is the steps to this equation 49-7m=14 i got m=5 but i dont now the steps
Click here to see answer by Earlsdon(6294)

Question 516853: a-b=b-c=c-d=5 what is a-d=?
Click here to see answer by richard1234(7193)

Question 516980: Please help me solve this:
Given
show that for all integers x.
Click here to see answer by richard1234(7193)

Question 517159: Make up an equation involving a fractional coefficient and show 2 different methods of solving it.

please and thankyou
Click here to see answer by stanbon(75887)

Question 517357: what is the answer to 7-1/6x=10/3x?
Click here to see answer by solver91311(24713)

Question 517403: 2[s + 3(s -1)]=18
Click here to see answer by stanbon(75887)

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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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