# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 302675: The difference of two numbers is 1. Twice the smaller is 11 more than the larger. Find the two numbers. Click here to see answer by Stitch(352)

 Question 302706: Write equations for the vertical and horizontal lines passing through the point (-3,5) Vertical line: Horizontal line: Click here to see answer by jim_thompson5910(28595)

 Question 302701: If a number is subtracted from 4 more than twice itself, the result is 11. Find the number. Click here to see answer by jim_thompson5910(28595)

 Question 302807: what is the value of X in the problem x+2x+20+3x-40+4x-20=360 Click here to see answer by london maths tutor(243)

 Question 302895: Sean and Laura have the same number of action figures in their collections. Sean has 6 complete sets plus 2 individual figures, and Laura has 3 complete sets plus 20 individual figures. How many figures are in a complete set? Click here to see answer by solver91311(16897)

 Question 303085: The ordered pairs are for a direct variation. Find the missing value. I know that the direct variation form is y=kx but I'm not sure how to use it to find the missing value of the ordered pair. (3,4) and (9,y) Click here to see answer by Mathematicians(84)

 Question 303124: what was the initial weight ,in pounds, of a person who now weights x pounds and who lost y pounds and the gained 5 pounds ? a) x + y - 5 b) y – x + 5 c) x + y + 5 d) y – x – 5 e) x – y + 5 Click here to see answer by stanbon(57361)

 Question 303182: Solving 2 equations: x-3y=4 (Trying to find x & y) 2x+y=6 Click here to see answer by scott8148(6628)

 Question 303289: does the inequality sign change when multiplying and deviding by a negative number? why or why not? Click here to see answer by Fombitz(13828)

 Question 303297: Given f(x)=3x-1 is one to one, find f^-1(x) Click here to see answer by nyc_function(2733)

 Question 303440: a ring is made of metal gold and silver the weights of the metals are in the ratio 8:9. if the weight if the ring is 1/8 of a pund then what are the weights of the silver and gold? Click here to see answer by mananth(12270)

 Question 303472: please solve -36+2w=-8w+w this is what i have so far -36+2w=-8w+w -36+2w=9w -2w -2w -36=-11w -36/-11=3.2 -11w/-11 Click here to see answer by jim_thompson5910(28595)

 Question 303485: Please I need help! My question is: With a head wind , an airplane travels 480 miles in two hours. Returning with a tail wind it takes 1 hour and 30 minutes. Find the airplane's speed and the wind speed. Click here to see answer by richwmiller(9143)

 Question 303656: If you are traveling at a constant speed, the distance you travel is directly proportional to your travel time. Suppose you walk 3 miles in 1 1/2 hours. How far would you walk in 1 hour? How long would it take to walk 5 miles? I know the equation is y=kx Click here to see answer by graphmatics(170)

 Question 303857: 7c=56 How can I solve this can you please show me step by step so I can do the rest. Thank you! Click here to see answer by jim_thompson5910(28595)

 Question 303848: I am trying to solve for N where I know (439.2/N)/(643.6/N) = 0.6824. How can I get N? Click here to see answer by checkley77(12569)

 Question 303834: y=3x-2 y=x+2 Thanks! This is one question not two by the way~ Thanks! Click here to see answer by checkley77(12569)

 Question 304003: how do i firgure the difference betweeen three times a number and 10 is 17. Click here to see answer by richwmiller(9143)

 Question 303830: Solving Systems of Equations: y=-2x-6 y=3x+29 I have to solve them and then write the answers for both. This is one question, not two. Thanks! I really need the help and would greatly appreciate it! I'm failing math. :( Click here to see answer by scott8148(6628)

 Question 304089: add 3 to x divide this sum by 4 subtract 2 from this quotient which of the following is the result obtained by performing the operations described above ? a (x-5)/4 b (x+1)/4 c (x+3)/2 d (3x –8)/4 e (x+1)/2 Click here to see answer by mananth(12270)

 Question 304112: 1. x=-b+ - spuare root b^2 - 4ac ________________________ 2a What does plus on top of the minus sign mean? 2. 5-3(2x-3) 3. x^2 - 6x ________ x^2 - 36 Click here to see answer by Alan3354(30993)

 Question 304105: if x = -1 and k > 0, which of the following has the greatest value ? a 2 kx b 4 kx^2 c 6 kx^3 d 8 kx^4 e 10 kx^5 Click here to see answer by stanbon(57361)

 Question 304125: Sorry if this is not the right topic; I don't know enough to identify the type of problem. (x squared minus x minus 6)/(x squared minus4) If you can show steps for solving this, I would be most grateful, thanks! Click here to see answer by stanbon(57361)

 Question 304533: If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if all 3 did the job together Click here to see answer by mananth(12270)

 Question 304537: (-2xsquared +x+6) + (5xsquared - 4x - 2) Click here to see answer by checkley77(12569)

 Question 304571: a theater sold 480 tickets for a play last night. floors seats sold for \$30.00 each and balcomy tickest sold for \$24.00 each. the total amount collected for the 480 tickets was \$3200.00. how may seats of each type were sold? Click here to see answer by scott8148(6628)

 Question 304574: What is the best classification for the number -0.6666667? Please show how it's done Click here to see answer by Fombitz(13828)

 Question 304681: i need help with equations such as (1/3)y^2+12=5x i dont know what im doing and i have to solve for y. can you please teach me how to solve them ! Click here to see answer by ankor@dixie-net.com(15656)

 Question 304760: find the real solutions of the equation. sqrt (3-2x=x what is the solution set? Click here to see answer by london maths tutor(243)

 Question 304766: if n is less than w and w is 1 more than z, what is the value of n when z = 1? Click here to see answer by richwmiller(9143)

 Question 304794: Can you help solve 23/7 -2+ 1/3+ 7/6 23/7 -2/2 + 1/3 + 7/6 23/7 -2 + 9/6 23/7 - 2/2 +9/6 46/14 - 14/14 + 9/6 32/14 + 9/6 192/84 + 126/84 288/84= 3 33/84 is this correct? Click here to see answer by richwmiller(9143)