Questions on Algebra: Equations answered by real tutors!

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Algebra: Equations

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Question 28379: I would appreciate help in the following problem: w = P +1 over 2, for 1. Solve.
Thanking you in advance.
Click here to see answer by jb007mi6(53)

Question 29845: hi thanks for the last answer,heres another one for you: 7y + 1 = 9 + 3y... I think y=2 am I right or way off the mark? your help is always appreciated! :)
Click here to see answer by Cintchr(475)

Question 29847: I'm really trying here! but a little help is still needed. 4m-5= 2m+15
please you are so helpful :)
Click here to see answer by Cintchr(475)

Question 29548: i can't solve this two problems and i been at it for 2 hours can i get some help?
first problem
n+3/3-n/4=n-2/5
second problem
x+4/3-x/7= x+7/5
Click here to see answer by ikdeep(182)

Question 29598: please help me to solve this problems
1)9/10x+3=12
2)x/5-3=1
3)2x-1/3=5/3
4)6/x=2/7
Click here to see answer by ikdeep(182)

Question 29510: I have the circumfernce, & I need 2 find the radius(r)& the diameter(d), What's the formula?
Click here to see answer by sdmmadam@yahoo.com(530)

Question 29883: p+1/3p=2/3
Click here to see answer by Cintchr(475)

Question 29923: When given the problem, x + 5y = 15, How do I solve for y?
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30058: I need to fill in the blank and answer the question, but i have no clue what its asking at all!
In the equation ax^2+bx+c=0, the value of b^2-4ac is called the________________
of the quadratic equation. What does this value tell you about the real roots of the equation?
Click here to see answer by Cintchr(475)

Question 29979: how do i put this equation is simplist radical form?
1/x + 1/x+3 = 2

Click here to see answer by Cintchr(475)

Question 30056: I need to determine the following for these two problems :HOW MANY X-INTERCEPTS THE PARABOLA HAS, and WHETER ITS VERTEX LIES ABOVE OR BELOW OR ON THE X-AXIS.
1.problem
y=x^2-5x+6

2.problem
y=-x^2+2x-1
Click here to see answer by venugopalramana(3286)

Question 30062: can two lines, both with positive slopes, be perpendicular? explain
Click here to see answer by Cintchr(475)

Question 30065: I know the answer to this equation. It is 6, but I don't know how to show my work. I don't know how to show how I got to that answer. 17+[(8w-3)/9]=22

17+[8w-3/9]=22
17+-1/3=22
132/6
6=6
Click here to see answer by askmemath(368)

Question 29997:

x^2-x-1=0

Click here to see answer by sdmmadam@yahoo.com(530)

Question 29999: how do you simplify fractions
Click here to see answer by josmiceli(3003)

Question 30103: Please help me solve this equation:

Click here to see answer by Fermat(127)

Question 30133: 6t-2=5t+14 can you help with this one?
Click here to see answer by jeuris07(1)

Question 30117: 5a+3= 31-2a can you help?
Click here to see answer by ikdeep(182)

Question 30117: 5a+3= 31-2a can you help?
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30204: Please help with my problem #1d. Solve the equation:
4 - (6 + x) = 13
Thank you.
Click here to see answer by longjonsilver(2297)

Question 30218: Can someone please answer the following equation:
(40 x a)+(20 x (1.5 x a)) = 600
thanks
Click here to see answer by checkley71(8405)

Question 30221: 9c-4=20-3c can you solve this one? c=3.4
Click here to see answer by Darkztar@SBCGlobal.net(1)

Question 30227: I'm such a dunce with Math that I'm not even sure if my question is an equation. I have the following word problem.
Rick is 6 years older than Nick. In 4 years he will be twice as old as Nick. In 10 years Nick will be 2/3 Rick's age. How old are each of them?
By trial and error I solved the problem as 8 & 2. I can present the problem as x = y + 4,
x + 4 = y + 4 + 4, and
(x + 10)* 2 = (y + 10)* 3
Is there a mathmatical way to solve this?
Click here to see answer by Fermat(127)

Question 30268: 8f+7-3f=32 any help please with this please? :)
Click here to see answer by askmemath(368)

Question 30267: 9c-4=20-3c can you solve this one? c=3.4
can you show me how you got the answer please? :)
Click here to see answer by askmemath(368)

Question 30265: i donot know how to slove this problem:
2x-8=10
please, step by step show me how to answer because my teacher CANOT teach
Click here to see answer by askmemath(368)

Question 30264: i donot know how to slove this problem:
2x-8=10
please, step by step show me how to answer because my teacher CANOT teach

Click here to see answer by queenofit(120)

Question 30313: I need some help trying to figure out how to do problems like X squared=69.
Click here to see answer by checkley71(8405)

Question 30275: can you solve this equation?
y+2(y-5)=2y+2
1y+2y-5=2y+2
3y-5=2y+2
3y=2y+3
y=3
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30312: I need to know how to solve problems like x squared =69.
Click here to see answer by Cintchr(475)

Question 30278: how do u solve the following:

x=-6

y=6+x

y=-x-1/4
Click here to see answer by Fermat(127)

Question 30283: 3/7-j=1/2
Click here to see answer by Fermat(127)

Question 30442: 12-(3x-12)=
Click here to see answer by ikdeep(182)

Question 30450: How do I find the correct way to solve the following problem?
It is estimated that the Earth is losing 4000 species of plants and animals every year. If S represents the number of species living last year, how many species are on Earth this year?
Click here to see answer by longjonsilver(2297)

Question 30474: Solve for x :
5/x-(2x)/(x+2)=(x^2+10x+8)/(X^2+2x)
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30481: Can someone please explain how to answer this question? (1/3)(2h-5)=1/4(3h-15)
The answer I keep coming up with is h=-7.08 but when I check it, it does not equal. Thank you!
Click here to see answer by longjonsilver(2297)

Question 30492: I have tried many things to understand algebra and still till this day i do not understand any of these nuber that i look at i do not get math at all. please help me to understand.
Click here to see answer by ikdeep(182)

Question 30077: find the x and y intercepts of 3x+5y=30
Click here to see answer by sdmmadam@yahoo.com(530)

Question 30552: Please help with my homework problem number 61. Solve. y = 2a - ab + 3, for a
Thank you so much.
Click here to see answer by checkley71(8405)

Question 30554: Please help with my problem # 19. Write the answers in set-builder notation.
5 - 9x > = 19 + 5x
Thank you.
Click here to see answer by AnlytcPhil(958)

Question 30551: Please help with my homework problem number 61. Solve. y = 2a - ab + 3, for a
Thank you so much.
Click here to see answer by Cintchr(475)

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