# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 562582: 1.)can you please help me solve the equation 3(6x + 5)= 9(2x + 3) -1 ? 2.)can you please help me solve the equation 4(2x + 5) + 6x + 21 ? Click here to see answer by solver91311(17077)

 Question 562624: The question of the problem is x over 5 equal 8. How do I solve that? Click here to see answer by solver91311(17077)

 Question 562289: Two sevenths of a number is eighteen fifty-sixths. Find the number Click here to see answer by ankor@dixie-net.com(15747)

 Question 562905: 3p-7+9-2p=p+2 solve for x Click here to see answer by Maths68(1474)

 Question 562953: 3x+2y=0 9x-24=2y Click here to see answer by mananth(12270)

 Question 563022: By a change of variables, determine the following integral: integral ((5x^3 - 3x^2 + 1)^3/2)(5x^2 - 2x) dx Help me please Click here to see answer by htmentor(809)

 Question 563062: 2)How many centimeters are in 2 kilograms? Click here to see answer by Alan3354(31538)

 Question 563351: (-12y)-10=-6y+14 What does the variable y equal? Click here to see answer by stanbon(57984)

 Question 563360: h= 3y^2 + (Y) where y=4. I'm not sure how to figure this one out. Click here to see answer by nicky429(3)

 Question 563379: what is n/20=3 Click here to see answer by Alan3354(31538)

 Question 563421: S=p+prt Solve for p Click here to see answer by jim_thompson5910(28717)

 Question 563624: Solve for t assuming a and b are positive constants. Po=P not P=Poa^t Click here to see answer by stanbon(57984)

 Question 563616: By a change of variables, determine the indefinite integral as follows: integral (x^2 - 3x^4)^1/2dx? Thank you Click here to see answer by htmentor(809)

 Question 563709: I am working on this problem and I think I know some of the steps. I'll show you what I have done so far. 1/2x + 1 = 3/4 1/2x +1 -1= 3/4 - 4/4 1/2x = -1/4 where do I go from here? Click here to see answer by Alan3354(31538)

 Question 563713: what is r? 2(4-2r)=-2(r+5) Click here to see answer by Tatiana_Stebko(1326)

 Question 563806: 2x+7y=3 x=1-4y Click here to see answer by mananth(12270)

 Question 563804: y=3x-8 y=4-x Click here to see answer by mananth(12270)

 Question 563506: What is the answer to (showing the work) the quotient of x and 6 equals 8.7. Click here to see answer by ankor@dixie-net.com(15747)

 Question 563924: I am trying to understand how this: http://www.webcruiser.org/math/sample.jpg gets simplified to this: http://www.webcruiser.org/math/sample_simplified.jpg Sorry about the links -- copy and paste doesn't present the characters properly. Click here to see answer by scott8148(6628)

 Question 563975: Good Saturday Afternoon - can you help me solve this problem. I have several problems like this to finish for school and just do not understand :( Thank You - Jenni 5/4 - 5/9 = x/12 Click here to see answer by Alan3354(31538)

 Question 564043: the perimiter of a tennis court is 210 feet and the length is 3 feet less then three times the width what are the dimentions? Click here to see answer by TutorDelphia(193)

 Question 563716: I have a word problem that I can't figure out. I do not know how to even begin to set up the equation. Here is the problem: A large chess tournament is played in four different rooms at a community center. The number of players in the second room is twice the number of players in the first room. The number of players in the third room is three times the number of players in the second room. The number of players in the fourth room is four times the number of players in the third room. The tournament’s organizer claims there are “almost 200” players, and he’s correct. Exactly how many players are in the tournament? I know that room 1 is x and room 2 is 2x, but after that I don't know what else to do. Can anyone help? Thanks in advance Click here to see answer by scott8148(6628)

 Question 564132: Hello, I need help with a problem, does anyone know how to solve this problem ! Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two different irrational solutions; exactly one rational solution; or two different imaginary solutions. x2 = -4x – 4 Click here to see answer by stanbon(57984)

 Question 564129: Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 14x + 18y = -54 -4x – 14y = 42 Click here to see answer by stanbon(57984)

 Question 564136: how do i solve this problem (a^9 b^12) / (ab)^10 Click here to see answer by stanbon(57984)

 Question 564143: the perimeter of a rectangle is 84 inches, the lenght exceeds the width by 24 inches finf the lenght and width Click here to see answer by mananth(12270)

 Question 564145: Hi Tutors: Can you help me with this homework problem please. Thanks in advance. Short Answer. The length of the side of a rectangular desk is given by 2x - 6y cm. The length of the front is given by 2x + 6y cm. What is an algebraic expression for the area of the top of the rectangular desk? Click here to see answer by mananth(12270)

 Question 564357: what is the real part of i to the 43rd? Click here to see answer by Alan3354(31538)

 Question 564397: A girl donates \$1,000 to UNICEF. She is now giving \$5 a week to UNICEF. After "x" weeks she will have donated "y" dollars. What is the equation relating "y" to "x"? Click here to see answer by ad_alta(240)

 Question 564438: Solve algebraically for x 2(x-4)≥ 1/2(5-3x) Click here to see answer by stanbon(57984)

 Question 564662: A merchant has coffe worth \$30 a pound that she wishes to mix with 40 pounds of coffee worth \$90 a pound to get a mixture that can be sold for \$70 a pound. How many pounds of the \$30 coffee should be used? Click here to see answer by mananth(12270)

 Question 564679: Please solve for X and please show all work. 15,000 = (400,000 + X)/40 Click here to see answer by stanbon(57984)

 Question 564726: a box with a square base and no top is to be made from a square piece of cardboard by cutting 4-in. squares from each corner and folding up the sides. the box is to hold 100 in.(cubed). how big a piece of cardboard is needed? Click here to see answer by mananth(12270)

 Question 564723: two fishing boats depart a harbor at the same time, one traveling east, the other south. the eastbound boat travels at a speed 3 mi/h faster then the southbound boat. after two hours the boats are 30 mi apart. find the speed of the southbound boat Click here to see answer by mananth(12270)

 Question 564720: a 19 1/2 foot ladder leans against a building. the base of the ladder is 7 1/2 ft from the building. how high up the building does the ladder reach? Click here to see answer by mananth(12270)

 Question 564717: if a ball is dropped from 288 ft above the ground, how long does it take to reach ground level? Click here to see answer by KMST(1936)

 Question 564722: a wire 360 in. long is cut into two pieces. one piece is formed into a square, and the other is formed into a circle. if the two figures have the same area, what are the lengths of the two pieces of wire(to the nearest tenth of an inch)? Click here to see answer by KMST(1936)

 Question 564762: the sum of two numbers is 31. if the smaller is doubled and the larger is increased by 11, the resulting numbers will be equal. find both numbers. Click here to see answer by joy-peace mathematics gal(2)

 Question 564773: can you explain two point formula please,thank you. GOD BLESS Click here to see answer by stanbon(57984)

 Question 564893: If M+N=151 and M-N=15, how do you calculate M and N? Click here to see answer by ad_alta(240)

 Question 564984: Look at this fraction 2 35x^-49x --------- -7x Which of these is the simplified version of the fraction? A) -5x+7 B) 5x^2-7x C) 5x-7 D) -5x^2+7x Click here to see answer by stanbon(57984)

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