# Questions on Algebra: Equations answered by real tutors!

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 Algebra: Equations Solvers Lessons Answers archive Quiz In Depth

 Question 13341: How do you find the distance between the points (9,5) and (2,6)? Click here to see answer by smik(40)
 Question 13341: How do you find the distance between the points (9,5) and (2,6)? Click here to see answer by akmb1215(68)

 Question 13269: The problem 3xy(4+2xy)6xy (to third power) I started within the () which would give me 6xy+4 then 6 to the 3rd is 222xy +4 Did I approach this problem correctly, If not how should I? Thank you Peter Droste grade9 pdroste@stny.rr.com Click here to see answer by rapaljer(4667)

 Question 13253: 1. Consider this fortunate incident. A girl was crossing a railroad bridge when, halfway across, she saw a train 50 metres away moving toward her. She immediately turned and ran so that the train missed her by the narrowest of margins. If she had tried to cross the bridge, the train would have struck her one metre before she could have reached the end. How long is the bridge? Click here to see answer by khwang(438)

 Question 13555: could you please help me solve: 1.7t + 8 - 1.62t = 0.4t - 0.32 + 8 and show the check if possible....thanks so much....Sonya Click here to see answer by rahman(247)

 Question 13575: Solve for X 2x - (2x)/7 = x/2 + 17/2 Click here to see answer by ntnk(54)
 Question 13575: Solve for X 2x - (2x)/7 = x/2 + 17/2 Click here to see answer by rahman(247)

 Question 13612: I'm the 7th grader's tutor, with one more of the five that gave us problems. Here's our work: then We solved for x and got but it does not fit when you check it by plugging 10 in for x in the equasion. Can you help us please? Thanks! Click here to see answer by longjonsilver(2297)
 Question 13612: I'm the 7th grader's tutor, with one more of the five that gave us problems. Here's our work: then We solved for x and got but it does not fit when you check it by plugging 10 in for x in the equasion. Can you help us please? Thanks! Click here to see answer by LilSkittleMd(119)

 Question 13613: thanks for your help on the previous problem... I'm trying to apply the rules you showed me. So... now I've got I got as far as I can't figure out the +/- rules for simplifying from here. I thought you keep whatever sign is directly in front of the number: +8x and -10 and -5x and +10 So now I'm stuck with x=10; but when I plug it in, I get which is not equal. i really appreciate the help. thanks! Click here to see answer by longjonsilver(2297)

 Question 13617: I am trying to determine what the rule is when there is a - outside of the brakcets. In one problem, I am multiplying by the LCD 15... and it's . In another problem, I am multiplying by the LCD 20... and it's . What is the rule? Why is it -15 but +10?? I am perplexed again, but if I can figure this out in words I think I'll be OK. Can you help? Click here to see answer by rapaljer(4667)

 Question 13724: Trying to help my daughter with her 8th grade Pre-Algebra, we're coming up with different answers and need help. 100/300=2/X Click here to see answer by rahman(247)

 Question 13702: twnty more than a number is-12. find the number didnt grasp u question but if u r sying the number then the answer is -32 i think so plz clear it to me Click here to see answer by baigshahib(11)

 Question 13715: Can please anwser this equation. I tried and failed to get the correct anwser. 6w-125=1. i can not get what "w" equals. Thank you Click here to see answer by longjonsilver(2297)

 Question 13059: i have a story problem april buys eight books for 44 dollars ...paperback cost 4 dollars and hard back books cost 8 dollars how many of each type of book did she buy? Click here to see answer by LilSkittleMd(119)

 Question 13909: Write a problem you could represent with 2x-10=6. Solve the equation and show your solution to the problem. Click here to see answer by ginny(3)

 Question 13990: pls. help me how to solve this problems. 3a-10=4+a and b+3=2b-7. If you could pls. show me the equations because, i couldn't get the answer. thank you so much. Click here to see answer by LilSkittleMd(119)

 Question 14030: 16 = n - (-4) is this right? 16 = n + (-4) 16+ -4 = n n =20 Click here to see answer by LilSkittleMd(119)

 Question 13674: Define a variable, write an equation, and solve. One fifth of a number plus five times that number us equal to seven times the number less 18. Find the number. Click here to see answer by LilSkittleMd(119)

 Question 14193: What Is The Value Of The Variable "X"? -------> 4"X" + 3 = -5 Click here to see answer by elima(1433)

 Question 14194: I am trying to help my daughter with her homework and it has been a while since fractions.....I do know the basics but I am stumped and cannot explain this to her. 9/8=x/6 is the problem. Equals should have equal crossproducts, Right? That would mean that 9x6=54 and 8x x=54, x=6 3/4? I don't understand enough to help her. Please help. Thanks so much! Click here to see answer by Alwayscheerful(414)

 Question 14245: I don't understand how to solve equations. THe addition principal where you have to classify either as equivalent equations or equivalent expressions. a-5= -3; a= 2 and a-9+6a; 7a-9 Click here to see answer by rahman(247)