# Questions on Algebra: Operations with Signed Numbers answered by real tutors!

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 Algebra: Operations with Signed Numbers Solvers Lessons Answers archive Quiz In Depth

 Question 216813: 3x+15 over 5 is equal to 2x-1 solve for x Click here to see answer by MathTherapy(1423)

 Question 218303: 1. we have learned that the associative property does not hold for subtraction. That is, in general, (a - b) - c ≠ a - (b - c). Your task is to: a. find distinct ingtegers a,b,c such that (a - b) - c = a - (b - c). b. PROVE that your integers work by substituting and simplifying the equation. Click here to see answer by solver91311(16885)

 Question 218306: The number midway between -6 and 2 is ________? I'm not confident that I know how to solve this the right way, please help if you can. Thank you! Click here to see answer by RAY100(1637)

 Question 218372: One of the wrenches has a measurement of 7/16” and the other has a size of 3/8”. Which one is larger? Click here to see answer by jim_thompson5910(28595)

 Question 219553: (10)(-9)(8)(-7)(6)(-5)0 If I try to solve this the way I think it should be the answer comes out as 0 and I'm not sure if thats correct and if I'm doing it the right way. Please help if you can, thank you. Click here to see answer by jim_thompson5910(28595)

 Question 219564: Simplify: I'm lost when it comes to this problem, I just dont understand how I should simplify it. Click here to see answer by jim_thompson5910(28595)

 Question 219906: Hi, my names Marlene and I am having trouble with this problem in Pre-Algebra. It is order of operations just looking at it confuses me. Here it is... (100-85)x5+81/9x2-3(72-60)/4-(11+5)+5x9/3= Click here to see answer by rfer(12657)
 Question 219906: Hi, my names Marlene and I am having trouble with this problem in Pre-Algebra. It is order of operations just looking at it confuses me. Here it is... (100-85)x5+81/9x2-3(72-60)/4-(11+5)+5x9/3= Click here to see answer by MathTherapy(1423)

 Question 220214: Okay. Heres a question I absolutely do NOT get. If a certain number is decreased by 8 and that difference is multiplied by 8, the result is equal to the result obtained if the number is decreased by 6 and that difference is multiplied by 6. Find the numbers. In my opinion this is a make-believe question :( Help please. Click here to see answer by solver91311(16885)

 Question 221897: -1.2(-1.09) I tried to solve this but I just keep getting messed up. So if someone could help me with this, that would be awesome! Thanks Click here to see answer by Alan3354(30993)
 Question 221897: -1.2(-1.09) I tried to solve this but I just keep getting messed up. So if someone could help me with this, that would be awesome! Thanks Click here to see answer by checkley77(12569)

 Question 222350: okay I have a order of operations number question and I have to simplify. It's I need a step by step on how to do this, please Click here to see answer by Edwin McCravy(8909)

 Question 223558: For order of operations, what is the correct way to solve this problem? The answer key says 9, but I get 33. What is the correct way to do this problem and why? 36 ÷ 4(5-2)+ 6 Click here to see answer by drj(1380)
 Question 223558: For order of operations, what is the correct way to solve this problem? The answer key says 9, but I get 33. What is the correct way to do this problem and why? 36 ÷ 4(5-2)+ 6 Click here to see answer by MathTherapy(1423)

 Question 223844: so i have this test tomorrow and i do not understand how to determine what r equals.PLEASE HELP ME! so the question says determine the value of r so that the line passes through each pair of points has the given slope. (r,4)(7,1)with m=3/4. step by step how do i solve this?? Click here to see answer by rfer(12657)
 Question 223844: so i have this test tomorrow and i do not understand how to determine what r equals.PLEASE HELP ME! so the question says determine the value of r so that the line passes through each pair of points has the given slope. (r,4)(7,1)with m=3/4. step by step how do i solve this?? Click here to see answer by MathTherapy(1423)

 Question 227211: I'm in the 6th grade.My question is:Integer rules when the signs are different you are supposed to subtract,are they talking about the signs in paranthes EX is (+9)+(-8)= the two signs are different so do i just subtract both now,because the signs in parantheses are different Click here to see answer by Theo(3464)

 Question 228470: How do you right 5m in two word phrases? Click here to see answer by rapaljer(4667)

 Question 229313: how do i solve 1/2v= -1/2v + 3/8 Click here to see answer by shymeerab(21)

 Question 229793: what is the algebraic expression for three fourths the square of b Click here to see answer by Alan3354(30993)

 Question 229883: HI, my name is Donesha. I want to ask a simple question about negative an positive numbers. So say, What would these equal: (+)+(+)= (+)-(+)= (+)*(+)= (+)/(+)= (-)+(-)= (-)-(-)= (-)*(-)= (-)/(-)= Click here to see answer by stanbon(57342)
 Question 229883: HI, my name is Donesha. I want to ask a simple question about negative an positive numbers. So say, What would these equal: (+)+(+)= (+)-(+)= (+)*(+)= (+)/(+)= (-)+(-)= (-)-(-)= (-)*(-)= (-)/(-)= Click here to see answer by jsmallt9(3296)

 Question 230479: How do I get my answer to equal 1 when the only numbers I have to use are 10,9,8,6,5. I can multiply,divide,subtract,and add. I have tried all the adding and subtracting ways. I have also tried getting the numbers to go negative so I can get it up to one. Click here to see answer by stanbon(57342)
 Question 230479: How do I get my answer to equal 1 when the only numbers I have to use are 10,9,8,6,5. I can multiply,divide,subtract,and add. I have tried all the adding and subtracting ways. I have also tried getting the numbers to go negative so I can get it up to one. Click here to see answer by Earlsdon(6287)
 Question 230479: How do I get my answer to equal 1 when the only numbers I have to use are 10,9,8,6,5. I can multiply,divide,subtract,and add. I have tried all the adding and subtracting ways. I have also tried getting the numbers to go negative so I can get it up to one. Click here to see answer by solver91311(16885)

 Question 232639: tell whether the given value of the variable is a solution of the equation -5r=125;r=-15 Click here to see answer by Alan3354(30993)

 Question 232911: can you help me solve this -14 -23 Click here to see answer by rfer(12657)

 Question 234403: I have a question regarding order of operations: how do i solve this problem: 59-35/7*4+53 Click here to see answer by kennysmom(1)

 Question 236975: Hello, I can't figure out these 2 problems using Pemdas. Use each operation only once per problem (addition, subtraction, division and multiplication).Thank you!!! 12___6___4___2=24 12___6___4___2=14 Click here to see answer by RAY100(1637)

 Question 237225: may i know what is the corrrect process for solving this problem? the question is: 20/(3(2x-8)-(-56)/7) thank you so much. Click here to see answer by rapaljer(4667)

 Question 238846: what is 6mt + t can it be simplified and 2w-(5w-a)+6a Click here to see answer by unlockmath(1599)

 Question 239084: how do i get 24 using the numbers 9,8,7, and 6 and i have to use addition, subtraction, multiplication, and division just once Click here to see answer by checkley77(12569)

 Question 239444: I have a question regarding this solved problem on the site - Answer by jim_thompson5910(13774) The question was Combine like terms 5w - 6w and the answer said, 5w - 6w = -1w which also looks like 5w - 6w = -w. Why do you remove the 1? How do you know when to do that? My daughter and I are confused about this. thank you - karen gass Click here to see answer by solver91311(16885)

 Question 239832: what is the difference? -5^2 - I thought the answer is 25 (-5)^2 - I thought the answer is 25 -(5)^2 - I thought the answer is -25 Click here to see answer by checkley77(12569)

 Question 239973: how do you get 24 using onlt three operations with the numbers 8 8 6 1 using the numbers only once Click here to see answer by Edwin McCravy(8909)