Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE) Get help from our free tutors ===> Algebra.Com stats: 2011 tutors, 419019 problems solved View all solved problems on Equations -- maybe yours has been solved already! Become a registered tutor (FREE) to answer students' questions. If you need immediate math help from PAID TUTORS right now, click here. (paid link) Click here to see problems AND answers on one page Question 459864: y=2x-5 Graph equation and identify y-intercept Click here to see answer by mananth(12270)   Question 459868: Graph. x=-3 Click here to see answer by richwmiller(9135)   Question 459866: (-5,-2),(5,4) Graph the line containing the given pair of points and find the slope. Click here to see answer by mananth(12270)   Question 459938: I'm 46 and am trying to refresh my algebra.... How would I solve this by using substitution or the addition-or- subtraction method? 2m=n-3 3m=2n-9 Thanks Click here to see answer by Gogonati(809)   Question 459938: I'm 46 and am trying to refresh my algebra.... How would I solve this by using substitution or the addition-or- subtraction method? 2m=n-3 3m=2n-9 Thanks Click here to see answer by richwmiller(9135)   Question 459929: I'm 46 years old and trying to refresh my algebra x+1/6 = 4/3 Thanks Click here to see answer by ankor@dixie-net.com(15638)   Question 459930: I'm 46 and trying to refresh my algebra skills. How would I write an equation for the line going through the points (3,2) and (-2,4) Thanks Click here to see answer by rfer(12647)   Question 459874: Find the intercepts of each equation. Then graph. x-2y=6 Click here to see answer by rfer(12647)   Question 459873: Graph the equation, identify the y-intercept. y=2x-5 Click here to see answer by rfer(12647)   Question 459969: During one year, the Hills' real estate bill included $413 for miscellaneous services. Of this amount, 8% went to the local homeless shelter. How much money did the homeless shelter receive? show work please. Click here to see answer by rfer(12647)   Question 459872: Find the coordinates of the y-intercept and x-intercept, in that order. 4y-7=3x Click here to see answer by rfer(12647)   Question 459967: Simplify and show all work. (100 - 3 * 4) / (4^2 / 2^3 - (-5)^2) Click here to see answer by MathLover1(6622)   Question 460064: 3x+5/9+2x-1/9=7/9 Could you show your steps please, thanks! Click here to see answer by rfer(12647)   Question 460081: Hello, I have a problem that I am working on but I have two answers. Can someone tell me what I am doing wrong. The problem is: solve by x: x^2+14x+4=0 my first answer is: 7sqrt 5, 7-sqrt 5 my second answer is: -7-3 sqrt 5, 3 sqrt 7 I am so lost, please help. Thanks Click here to see answer by jim_thompson5910(28504)   Question 460133: 2(5X+1)=3(3X+7)= Click here to see answer by Alan3354(30983)   Question 460138: If then z is equal to ? I know the answer is . Please explain the method. Thanks! Click here to see answer by Edwin McCravy(8882)   Question 460138: If then z is equal to ? I know the answer is . Please explain the method. Thanks! Click here to see answer by richard1234(5390)   Question 460140: Please tell me how we can use trigonometry?As i am new to it? Click here to see answer by amoresroy(333)   Question 460139: Rs 5625 is divided among A,B and C so that A may receive 1/2 as much as B and C together receive and B receives 1/4 of what A and C together receive.The share of A is more than that of B by? Options are a)rs 750 b)Rs 1500 c)Rs 775 d)Rs 1600 Answer is rs 750 Please explain the method Thanks! Click here to see answer by mananth(12270)   Question 460136: Factorise 2 (a+b)^2} }}-9(a+b)-5? Click here to see answer by stanbon(57246)   Question 460289: Word problem : The total number of Democrats and Republicans in the U.S House of Representatives during the 109th session was 434. There were 30 more Republicans than Democrats . How many members of each party were there ? Click here to see answer by rfer(12647)   Question 460225: 5x+2=-x+14 6x-3x+2=-10 2(x+2)=3(x-5) 3(m-2)=-2(m-7) 6x+4x-2=15 Click here to see answer by checkley79(3050)   Question 460283: Word problem : In the 2006 -2007 NBA regular season , the Phoenix Suns won 19 more than twice as many games as they lost . he Suns played 82 games . How many wins and losses did the team have ? Click here to see answer by MathOclock(6)   Question 460444: I need help again to solve by elimination method. can someone help me please. 3x+6y=39 7x-6y=-49 I am still not getting this, Thank you so much for your help Click here to see answer by simranb(55)   Question 460290: word problem In the 2007 regular baseball season , the Boston Red Sox won 36 less than twice as many games as they lost . They played 162 regular season games. How many wins and losses did the team have ? Click here to see answer by simranb(55)   Question 460281: Please help me write this equation. Latoya Smith is a buyer for a large manufacturing company. She can purchase 200 pound of chemicals for $95. She can also purchase mixing vats for $400 each. Sales tax on all products is 6% fo the total cost of the order. Shipping cost for her order will be a flat $30. Question: This month she does not yet know how many mixing vats she will need to order. Let y= number of mixing vats required. Write an equation using y that she can use to determine the total amount of her order. Assume no chemicals are ordered, only vats. Click here to see answer by simranb(55)   Question 460088: Q2: Translate into an algebraic expression: "The product of some number and five subtracted from eight" Q3: Solve the formula P = 2L + 2W for L Q4: Solve for x: x 3 x ) Q6: After a 60% reduction, a skirt is on sale for $34. What was the original price? Q8: Find all numbers such that the sum of the number and 12 is greater than three times the number. Click here to see answer by simranb(55)   Question 460088: Q2: Translate into an algebraic expression: "The product of some number and five subtracted from eight" Q3: Solve the formula P = 2L + 2W for L Q4: Solve for x: x 3 x ) Q6: After a 60% reduction, a skirt is on sale for $34. What was the original price? Q8: Find all numbers such that the sum of the number and 12 is greater than three times the number. Click here to see answer by richard1234(5390)   Question 459694: 2/5 - 3/5 (10/9 + 20) Click here to see answer by simranb(55)   Question 459318: If a salesperson receives 7,500 for selling a house for 120,000, how much will he make if he sells one for 150,000? How would I solve this? Thank You Click here to see answer by simranb(55)   Question 459352: SIMPLFY: -2(X+9(X+1) Click here to see answer by simranb(55)   Question 459041: Instruction: Choose a variable and write an equation for each problem. The difference between twice a number and thirty is 20. What is the number. Is it 2n-30=20? Click here to see answer by simranb(55)   Question 459833: The width of a rectangle is three fourths of the length. The perimeter of the rectangle becomes 50 cm when the length and the width are each increased by 2 cm. Find the length and the width. Click here to see answer by simranb(55)   Question 458874: Simplify the expression if possible: 8x/40 ok this a hard problem help thank you and please Click here to see answer by simranb(55)   Question 460502: a rope is cut in half and 1/2 is discarded. From the remaining half, 1/4 is cut off and discarded. What fraction of the original rope is left? thanks Click here to see answer by sudhanshu_kmr(1152)   Question 460505: I need to solve this by completing the square..not the quad. formula 7x squared + 3x -4=0 Thanks for your help! Click here to see answer by sudhanshu_kmr(1152)   Question 460512: m-17=-8 Click here to see answer by edjones(7569)   Question 460570: Help? Factor the expression by grouping. Show your work. 24q^7 – 42q^4r + 36q^3r^2 – 63r^3 Click here to see answer by sudhanshu_kmr(1152)   Question 460632: an equation for the word problem mike and steve have wallets with 5 and tens in them with a total of 20 bills and if the 20 bills add up to a total of $130.. Click here to see answer by rwm(914)   Question 460675: i need help working out a problem. e/2 + 7 = 4e Click here to see answer by rfer(12647)   Question 460793: How would you solve (2x+5)(x+1)=-1. I know I need to get the -1 on the other side, and make it equal zero, and I have a feeling I need to FOIL it out and then do trial and error to solve, but all the solutions I get aren't working. I don't need the answer in graph form. Click here to see answer by solver91311(16868)   Question 460890: 10y - (6y + 4) = (3 - 5y) + 10 Click here to see answer by Tatiana_Stebko(1326)   Question 460913: A salesperson's weekly paycheck is 25% more than her coworker's paycheck. The two paychecks total $695. Find the amount of each paycheck. Click here to see answer by JimboP1977(308)   Question 460949: Solve the following system of equations. Please show your work to receive full credit. x - y = 10 2x + y = 2 Part 2: Explain which method you chose to solve the system and why you felt it was the best choice. Click here to see answer by sudhanshu_kmr(1152)   Question 460990: I need help i have no idea how to do this question 3x + 4= -2(x + 3) Click here to see answer by jim_thompson5910(28504)

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