Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors!

Algebra -> Algebra -> Linear-equations -> Questions on Algebra: Linear Equations, Graphs, Slope answered by real tutors! Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

Algebra: Linear Equations, Graphs, Slope

Solvers

Lessons

Problems, free tutors

Quiz

In Depth

Tutors Answer Your Questions about Linear-equations (FREE)

Question 7318: solve the following equation. express roots to the nearest hundredth.
2m^2-m-7=0
Click here to see answer by glabow(165)

Question 7369: What is 2(x-3)-5=4(x-5)?
Can you also show the steps.
Click here to see answer by ichudov(404)

Question 7487: Find the x-intercept and y-intercept of the equation 5x − 3y = 30.
Click here to see answer by ichudov(404)

Question 7594: 2x + y = 4, x=1
Click here to see answer by CharStar(110)

Question 7622: How do I solve the equation y=square root of 3y+10?
Click here to see answer by prabhjyot(164)

Question 7700: Please help solve this problem thanks-
Solve each system by the addition method
Nickels and Dimes. Winborne has 35 coins cinsisting of dimes and nickels. If the value of his coins is $3.30, then how many of each type does he have?
Click here to see answer by drglass(89)

Question 7701: Please help solve this problem. Thank You
Solve each system by the addition method. Determine whether the equations are independent, dependent, or inconsistent.
5x - y = 1
10x - 2y = 2
Click here to see answer by drglass(89)

Question 7698: Write a system of two equations in two unknown numbers for each problem. Solve each system by substitution.
Ticket Sales. Tickets for a concert were sold to adults for $3 and to students for $2. If the total receipts were $824 and twice as many adult tickets as student tickets were sold, then how many of each were sold?
Click here to see answer by drglass(89)

Question 7678: need to find the x,y intercepts of this equation
4x-6y = -24
thank you
dave
Click here to see answer by drglass(89)

Question 7762: use the distributive property to rewrite the expression without parenthesis and multiply together any numbers
(3y-7)(-2)
thank you
dave
Click here to see answer by Earlsdon(4900)

Question 7751: I can not find an answer to this, I tried to factor but that did not turn out right. Please help.
(x+4)/(6x^2+5x-6)+(x)/(2x+3)= (x)/(3x-2)
Click here to see answer by Earlsdon(4900)

Question 7935: Here is my equation : A(M+N)=BN-4m
This is what I have so far: -BN+AN=-AM-4M
Is this right? If so what's next?
Click here to see answer by AnlytcPhil(958)

Question 7960: need help solving this problem:
A=18.98 B=3.3 C=2.28 solve for D
A + B x C >= D
thanks.

Click here to see answer by arunpaul(104)

Question 7940: I am very confused as to how to Solve each system by the additional method. Can someone help me understand this and solve it please?
17.) x + y = 48
12x + 14y = 628

Click here to see answer by arunpaul(104)

Question 7965: Simplify (x^2+10x+16)/(x^2-64)
Click here to see answer by bonster(299)

Question 7975: need help solving this, please.

A=17.30 B=2.07
A + 3.3 x B >= 26
Thank you.
Click here to see answer by Earlsdon(4900)

Question 8006: (1,-3) and(3,-5)Write an equation
Click here to see answer by glabow(165)

Question 8029: How do I find out if this equation (y=2x+1) is linear or not?
Click here to see answer by glabow(165)

Question 7979: Hi I have this due tonight and I just do not understand can you help me out please? Thank You-
Write a system of two equations in two unknowns for each problem. Solve each system by substitution.
Household Income. Alkena and Hsu together earn $84,326 per year. If Alkena earns $12,468 more per year than Hsu, then how much does each of them earn per year?

Click here to see answer by gokhalesujata(4)

Question 8054: Can you recommend a website that I can use as a Tutor while taking a College Algebra class I remember nothing I need the to rebuild my knowlege base. I have not had math classes in over 20 years. Help please.
Click here to see answer by CharStar(110)

Question 8060: please! someone could help me.. i'm really out of idea how can i solve out this problem.
Find the equation of the straight line perpendiculat to the line with equation y= -2/3x + 3/7 which passes through the point (2,4). giving your answer in the form ax+by+c=0
please.. help me solve this..
Click here to see answer by longjonsilver(2297)

Question 8061: And here's another problem that i don't know the steps to solve it out.
Find the equation of the perpendicular bisector of the line segment joining the points (1,2) and (3,1). Giving the answer in the form y=mx+c.
((i know it sounds easy, all i need is its formula or the steps to solve it. And that would really help me))
Click here to see answer by longjonsilver(2297)

Question 8051: x+y=z then x+y-z=0
2(x+y)=2(z) 3(x+y)=3(z)
2x+2y=2z 3x+3y=3z
2x+2y-2z=0 3x+3y-3z=0
2(x+y-z)=0 3(x+y-z)=0
then 2(x+y-z)=3(x+y-z)
then 2=3
Surely this can't be?
Click here to see answer by ichudov(404)

Question 8024: For the line 2x-y=8
a) what is the x- intercept of the line?
what is the y-intercept of the line?
b) What is the slope of the line?
c)Graph the line on a Cartesian coordinate plane.
d) Where does the graph of the line x + y = 7 intersect the graph of the given line?
e) Solve the system of equations created by using the equation 3x- 2y = 13 and the given line.
f) Graph the system of inequalities :
2x-y greater than or equal to 8
x+ y less than 7
Click here to see answer by ichudov(404)

Question 8108: I have a problem with the following points: {-2,8} and {-2,-1} when i do the slope formula i get an undefined slope how do i finish the problem?
Click here to see answer by prince_abubu(198)

Question 8345: how to do 6(x+2)=5x-9
Click here to see answer by ichudov(404)

Question 8337: 3(t-8) + 2t = 7 + t can you help solve not sure if my answeris correct I came up with t= 31/4 or 7 and 3/4
Click here to see answer by ichudov(404)

Question 8551: I am trying to figure this out and keep running into a road block.
Multiply.
3xy^3*2x^2y*4xy^2=
This is as far as I have gotten and not sure that I am correct so far.
7xy^5*2x^2y=This doesn't look like I am on the right track for some reason.
Click here to see answer by rapaljer(3625)

Question 8757: please help me solve
Click here to see answer by George(3)

Question 8884: 2x+y=2
Click here to see answer by kritikapd(4)

Question 8904: 2(p + 5) - (9 + p) = -3. I can not figure out how the book got the answer of -4. Could you please show all the steps invloved?
Thanks,
Brandy
Click here to see answer by Abbey(339)

Question 9108: I have a promblem that I can't solve. I'm confused about the whole problem. Please help me.
-[3x-(2x+5)] = -4-[3(2x-4)-3x]
Click here to see answer by sabanasir(22)

Question 9119: MCM=.....1900,2000,2100,or none of these?
Click here to see answer by mrduffner(11)

Question 9018: -6+3
Click here to see answer by bonster(299)

Question 9270: 1/3(x-4)=1/2(x-6)
Click here to see answer by bonster(299)

Question 9318: I am having trouble trying to figure out how to write this equation in standard form.
4y = 4x + (-6)
It should be written like this equation: y = 2/3x - 2
Click here to see answer by rapaljer(3625)

Question 9390: using substitution method is x+y=4
x-y=5
independent,dependent,or inconsistent?
Click here to see answer by rapaljer(3625)

Question 9428: What is the equation of the line that contains the points with (x, y) coordinates (-3, 7) and (5, -1)?
I know the answer is: y=-x+4, but I don't understand how they came up with that answer, can you please help???
Click here to see answer by askmemath(368)

Question 9517: In a mixture of concrete, there are 3 lb of cement mix for each pound of gravel. If the mixture contains a total of 140 lbs of these two ingredients, how many pounds of gravel are there?
Click here to see answer by DWL(56)

Question 9589: Thanks in advance for your help.
I need to solve this equation,
7x + y = 2
5x - 8y = 4
I need to know what "X" and "Y" are
Thanks
Click here to see answer by gsmani_iyer(161)

Question 9734: can anyone help me?
A walker walks a course at a constant speed of 4 mph. 40 min after the walker begins, a cyclist starts on the same course at a constant speed of 16 mph. how long after the cyclist begins does the cyclist overtake the walker? What distance have they traveled? Has teh walker completed the course before the cyclist catches up?
Click here to see answer by Earlsdon(4900)

Question 9722: Please help me solve x+1/3 = 5 - x+2/7. I came up with 5.6, but the book says the answer is 46/5.
Click here to see answer by askmemath(368)

Question 9797: 3x+1/2x-3=1/8
Click here to see answer by rapaljer(3625)

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