Questions on Algebra: Equations answered by real tutors!

Tutors Answer Your Questions about Equations (FREE)

Question 55485: This one is totally escaping me, help on solving would be greatly appreciated.
x/3 - 7/8 = 2/5(x + 15/4)
Thank you.
Click here to see answer by funmath(2933)

Question 55585: I know the answer to this problem is 28 however I am having trouble writing an equation for
a day care received a new sandbox.the perimeter is 84 ft and the lenght is twice as long as the width.what is the lenght of the sandbox?
Click here to see answer by Genius(17)

Question 55605: twice the greater of two consecutive odd integers is 13 less than three times the lesser. find the number
define a variable
write equation
solve
can you show me how to do this problem please?
Click here to see answer by pwac(253)

Question 55663: The greatest temperature variation recorded during a day was 100 degrees in the year1916. If the low temperature was -56F what was the high temperature?
Click here to see answer by stanbon(75887)

Question 55719: There are 13 more nickels than dimes and it equals 3.20
Click here to see answer by stanbon(75887)

Question 55815: Solve and check. 1s+s-6/2/3=4/1/3. I get the answer 5.5, but how do you check it.
Click here to see answer by funmath(2933)

Question 55897: I apologize but I do not have much information on the problem - it is for a 9th grade student and I have been out of school for a really long time and do not remember how to do algebra. The problem is:

4/5x-7=21+9/10x
Click here to see answer by funmath(2933)

Question 55950: -4-(3+6m)=1/2(4+2m)
Not in a text book. Not sure what to do when you subtract for the distributive property Im used 2 multiplication equations. Can you show all steps to help me?
Click here to see answer by Hook(36)

Question 55974: Not in text book.
Can you work this equation so i can see the steps you took in working it?
I worked this equation and came up with Y-10 but it does not check. What step am i doing wrong?
7y-2(3-y)=4(y=1)
This is how i worked it
7y - 2(3-y)=4(y+1)
7y - 6 - 2y= 4y+4
5y - 6 =4y+4
4y 4y
1y - 6 =+4
+6 +6
y=10
What am i dong wrong? Thanks i really appreciate your help
Click here to see answer by Hook(36)

Question 55949: 3y-(4-2y)=3(y+2)
Can u please help me with this its not in a text book its a worksheet
Click here to see answer by Lacey020991(49)

Question 55988: 2x+(x-24)=90 what does x equal?
Click here to see answer by funmath(2933)

Question 56006: Evaluate. 4 � 22 � 8 � 2

Evaluate. (�3)2 � 17
Click here to see answer by Lacey020991(49)

Question 55993: Can you please help my son with this problem it is not in a text book
1/3x=1/2
Click here to see answer by rapaljer(4671)

Question 56074: 7x/2-11/4=5
Click here to see answer by stanbon(75887)

Question 56074: 7x/2-11/4=5
Click here to see answer by tutorcecilia(2152)

Question 56010: Evaluate b2 � 2bc + c2 if b = 3 and c = �2.

Click here to see answer by tutorcecilia(2152)

Question 56009: Multiply.
2y3  5y6

Click here to see answer by tutorcecilia(2152)

Question 56099: Can you help me with this equation. My son came up with the wrong answer and when i used the problem solver it was way to complicated and a different way than what my son was doing. We don't understand how the problem solver came up with his answer. I know the answer is x4 though. Can you show me the steps so i can see where he did it wrong?
5-3(4-2X)=4(x-3)-3
Click here to see answer by funmath(2933)

Question 56107: V=1/3pir2h; solve for h
pi(in the equation) is pie 3.14. Not sure how to enter that in this system. thanks
Click here to see answer by tutorcecilia(2152)

Question 56107: V=1/3pir2h; solve for h
pi(in the equation) is pie 3.14. Not sure how to enter that in this system. thanks
Click here to see answer by funmath(2933)

Question 56038: Can you help me solve x+2/5=x+3/10
Click here to see answer by tutorcecilia(2152)

Question 56130: 7t-4=15t+15
Click here to see answer by funmath(2933)

Question 56138: How do you solve a problem like 3-4q=10q+10?
Click here to see answer by funmath(2933)

Question 56151: Represent the following integers on a number line.
4, �2, �5, 6, �4

Click here to see answer by funmath(2933)

Question 56150: Evaluate. 4 � 2^2 � 8 � 2

Click here to see answer by Cintchr(481)

Question 56251: Please help completely factor the following
4m^2 - 8m + 3
Thanks,
Lackinmath
Click here to see answer by stanbon(75887)

Question 56251: Please help completely factor the following
4m^2 - 8m + 3
Thanks,
Lackinmath
Click here to see answer by funmath(2933)

Question 56250: Please help factor the following
y^2 - 6y + 9
This is what I have: (y- 3)^2
Thanks,
Lackinmath
Click here to see answer by stanbon(75887)

Question 56272: x/3-10=-3
Click here to see answer by funmath(2933)

Question 56271: y/3=15
Click here to see answer by funmath(2933)

Question 56314: I am suppose to solve the followin:
In a right triangle one side is one unit longer than the other side and the perimeter is 12 feet. Find the length of the hypotenuse.

I am confused, please help!
Lackinmath
Click here to see answer by venugopalramana(3286)

Question 56326: These data represent the population of a certain city.
Year Population (in thousands)
1950 18
1960 23
1970 29
1980 32
1990 38
2000 42

(a) Draw a line graph for the data.
(b) Use the line graph to predict the population in the year 2010

Click here to see answer by stanbon(75887)

Question 56338: please help me figure this out
Solve for X 8(x-1)+3 = 7x-6-5x
Click here to see answer by stanbon(75887)

Question 56316: Please help!
Solve the following equation for x:
10x^2=9x+9
thanks,
Lackinmath
Click here to see answer by stanbon(75887)

Question 50990: I need to write an equation to this problem
The perimeter of a triangle is 51 cm. The longest side is twice the length of the shortest side. The third side is 3 com longer than the shortest side. What is the length to each side?
Click here to see answer by stanbon(75887)

Question 56383: given the function f(x)=-4x^2-1, identify the value of f(-2). I am not sure how to do this?
Click here to see answer by Cintchr(481)

Question 56382: Is the relation {(3,2), (1,-2), (-2,2), (-5,8)} a function? I said "Yes", but now I am worndering because of the (-2,2)? does this make it not a function?
Click here to see answer by Cintchr(481)

Question 56402: This equation is not in the textbook.
Could some one work this so I can check my son's answer. He got X=-11
would you show the steps for me so i can check how he worked it?
7(x-1)+5=2(3-4x)+7
Click here to see answer by Lacey020991(49)

Question 56405: Please help me solve this equation: 5(2y-1)=3(y-4)
Thank you.
Click here to see answer by scoop(27)

Question 56405: Please help me solve this equation: 5(2y-1)=3(y-4)
Thank you.
Click here to see answer by Lacey020991(49)

Question 56408: Please help me solve this equation: 3d- 11(on 4) = 3(on2)
thank you.
Click here to see answer by checkley71(8403)

Question 56387: Identify whether the parabola y=-(x-3)^2 +6 opens up or down and identify the vertex, x-intercepts and y-intercepts. I know it opens down but, I am not sure how to identify the intercepts or vertex (3,6)?
Click here to see answer by stanbon(75887)

Question 56423: I dont really understand the distributive property, can you explain it to me
Click here to see answer by Nate(3500)

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