Questions on Algebra: Evaluation of expressions, parentheses answered by real tutors!

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Question 54166: I am stuck on correct answer for:
(x-5)(3x + 4)=0 is:
I am not using a specific book. I am just practicing...

Click here to see answer by Earlsdon(6294) About Me 

Question 54235: I am stuck on correct answer for:
w^2 + 6w +5 over w + 5 =

I am not using a specific book. I am just practicing...

Click here to see answer by Cintchr(481) About Me 

Question 54229: I am stuck on correct answer for:
If x is directly proportional to y and x = 3 when y = 8, what is the value of x when y = 2

I am not using a specific book. I am just practicing...

Click here to see answer by Cintchr(481) About Me 

Question 54234: I am stuck on correct answer for:
a solution to equation 2x^2 - 7x + 3 = 0 is:

I am not using a specific book. I am just practicing...

Click here to see answer by venugopalramana(3286) About Me 

Question 54330: please help me solve this problem 20-4X=20-12
Click here to see answer by checkley71(8403) About Me 

Question 54381: Write each fraction in simplest form:
-15x^3y^3 over -20xy^4
Thanx

Click here to see answer by funmath(2933) About Me 

Question 54708: 4x + 5 = -40
Subtract 5 from each side.
4x=-45
4(-10)= -40
4(-1)= -4
4(-1/4)= -1
-40+(-4)+(-1)=
-40-4-1= -45
-45+5(from the orginal question)= -40
x= 10 1/4= 10.25

Click here to see answer by Nate(3500) About Me 
Question 54708: 4x + 5 = -40
Subtract 5 from each side.
4x=-45
4(-10)= -40
4(-1)= -4
4(-1/4)= -1
-40+(-4)+(-1)=
-40-4-1= -45
-45+5(from the orginal question)= -40
x= 10 1/4= 10.25

Click here to see answer by veghead(2) About Me 

Question 54705: 8x - 6 = -48
Click here to see answer by Nate(3500) About Me 

Question 54713: 9x - 1 = -28
Click here to see answer by checkley71(8403) About Me 

Question 54710: 2x - 9 = 12
Click here to see answer by rchill(405) About Me 

Question 54762: Help!!!!!!!!!!!!! My boyfriend (majoring in engineering) says if I can get this solved for P (Proposal) that is a hint as to the number of weeks until he proposes! I think I know the answer but can you help me?
p2 + 3p + 2
____________ = 3/2 + 3p -3
p + 1

Click here to see answer by psbhowmick(878) About Me 
Question 54762: Help!!!!!!!!!!!!! My boyfriend (majoring in engineering) says if I can get this solved for P (Proposal) that is a hint as to the number of weeks until he proposes! I think I know the answer but can you help me?
p2 + 3p + 2
____________ = 3/2 + 3p -3
p + 1

Click here to see answer by venugopalramana(3286) About Me 

Question 54847: Does anyone know the answer to this problem?
The sum of three consecutive odd integers is 201. I need to find the integers.
Thank you
Adriana

Click here to see answer by tutorcecilia(2152) About Me 

Question 54859: How do I begin to evaluate this type of expression? I know that I have to solve within the brackets, but the brackets are side by side with no symbol between.
[3-(2-4)][3+|2-4|]

Click here to see answer by stanbon(75887) About Me 

Question 54834: Can someone help me on this?
The length of a rectangular garden is 2 ft. less than 3 times its width. If the perimeter of the garden is 44 ft, find the dimensions of the garden.
Thanks, Lyn

Click here to see answer by checkley71(8403) About Me 

Question 54799: Can someone help me on this?
Which label describes the following?
4x -9
(A) Expression (B) Linear equation (C) Equation which is not linear
Thanks, Lisa

Click here to see answer by stanbon(75887) About Me 

Question 54833: Can someone help me solve this problem?
At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, a second car leaves the city and travels south at a rate of 60 mi/hr. At what time will the two cars be 285 miles apart?
Thanks, Lyn

Click here to see answer by stanbon(75887) About Me 

Question 54912: Can someone help me on this?
Ching leaves San Francisco and travels toward Los Angeles at 50 mi/h. An hour later, Phil leaves Los Angeles and travels toward San Francisco at 60 mi/h. If the two cities are 380 miles apart, how many hours will it take for Ching to meet Phil?
Thanks, Adriana

Click here to see answer by tutorcecilia(2152) About Me 

Question 54867: 5(x+2)-5(y+3)-2x+5y
what does this simplify to?

Click here to see answer by funmath(2933) About Me 

Question 55031: subtract -4x+8 from -7x+8
Click here to see answer by funmath(2933) About Me 

Question 54817: p2 + 3p + 2 = 3/2 + 3p - 3
___________
p + 1

If I get the answer I know when my boyfriend will propose!

Click here to see answer by Cintchr(481) About Me 

Question 55053: How do you solve equations like this one 5[2-(2x-4)]=2(5-3x)
Click here to see answer by Cintchr(481) About Me 

Question 55085: Can someone help me on this problem?
The length of a rectangle is 2 cm. more than twice the width. If the perimeter of the rectangle is 52 cm, find the dimensions of the rectangle.
Thanks,
sher

Click here to see answer by mathchemprofessor(65) About Me 

Question 55097: Can someone help me on this problem. I have gotten two different results and not sure which was is right.
The length of a rectangle is 2 cm more than twice its width. f the perimeter of the rectangle is 52 cm, find the dimensions of the rectangle.
Thanks,
Sher

Click here to see answer by rchill(405) About Me 
Question 55097: Can someone help me on this problem. I have gotten two different results and not sure which was is right.
The length of a rectangle is 2 cm more than twice its width. f the perimeter of the rectangle is 52 cm, find the dimensions of the rectangle.
Thanks,
Sher

Click here to see answer by funmath(2933) About Me 
Question 55097: Can someone help me on this problem. I have gotten two different results and not sure which was is right.
The length of a rectangle is 2 cm more than twice its width. f the perimeter of the rectangle is 52 cm, find the dimensions of the rectangle.
Thanks,
Sher

Click here to see answer by anjulasahay(30) About Me 

Question 55107: Simplify: 2a -10/a - 5

Click here to see answer by funmath(2933) About Me 

Question 55194: Please help me with this:
3-[7x+2y-{5x-9y}+2x+4y]

Click here to see answer by Cintchr(481) About Me 

Question 55351: I am suppose ti simplify the following and be sure to execute all multiplication and division (z+2)(z+4)
This is what I have z^2+6z+8
Is this right?
Thanks, lackinmath

Click here to see answer by checkley71(8403) About Me 

Question 55349: I am suppose to simplify and be sure I execute all multiplication and division.
3{2[4(x^2+2)-2(x^2-5)]}
This is what I got 12x^2+108 Is this right?
Thanks, Lackinmath

Click here to see answer by funmath(2933) About Me 

Question 55347: Simplify the followin: 4(2a-b)-3(a-2b)
This is what I have: 5a+2b is this right?
Thanks, Lackinmath

Click here to see answer by Cintchr(481) About Me 

Question 55647: -3%283x%2B15%29-%2810%2Bx%29=35
What does x equal?
-3(3x)+ -3(15)-10-x=35
-9x-45-10-x=35 (combine terms)
-10x-55=35
-10x+55=35+55
-10x=90 (divide)
x=-9

Click here to see answer by dbrine(1) About Me 

Question 55912: Can someone help me on this problem?
I need to rewrite into standard form
(0, 5), m = - 3/5
Thanks,
sher

Click here to see answer by stanbon(75887) About Me 

Question 55948: x(x²+4x)-2x²
Click here to see answer by funmath(2933) About Me 

Question 56321: Please help me solve these equations:+w%2F2%2B7=w%2F3%2B9+
+8y-4%2B3%28y%2B7%29=6y-3%28y-3%29+
Thanks, Anna

Click here to see answer by stanbon(75887) About Me 

Question 56695: 3 (w+11)
Click here to see answer by funmath(2933) About Me 

Question 56786: what is the answer to: 3a squared + 21a + 30
Click here to see answer by Nate(3500) About Me 

Question 56788: what is the answer to: 3X squared + 2X - 5
Click here to see answer by Nate(3500) About Me 
Question 56788: what is the answer to: 3X squared + 2X - 5
Click here to see answer by checkley71(8403) About Me 

Question 56902: sally is 3 times older that david in five years sally will be twice as old as david how old will sally be in 5 years
Click here to see answer by askmemath(368) About Me 

Question 57199: 6x+9+2x
Click here to see answer by funmath(2933) About Me 

Question 56358: 23*5csquared c=-2
Click here to see answer by BGluvsmath(64) About Me 

Question 57479: Here is another question:
x^2 + 2xy + y^2 / x + y * x^2 - y^2 / x-y
This is my final answer: x^2 + xy + y^2 or (x+y)(x+y) / (x+y)^2 ?????????
Please show me your steps as to how you got it so I can compare
Thanks,
dnn

Click here to see answer by funmath(2933) About Me 

Question 57501: We are to perform the math operation and simplify completly.. There is no book and we are in rational expressions and fractions
x^2 + 2x -15/x^2 - 9/x^2 + 6x +5/x^2 + 4x +3
I have this for my answer (x + 1)(x + 3)
Thanks so much please show steps so that I can compare
dnn

Click here to see answer by ankor@dixie-net.com(22740) About Me 

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840