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

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Question 309795: [40/(-5)]/(-1/7_)
[40 divided by (-5)] divided by (-1 over 7)fraction

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

Question 309816: I am trouble solving the equation:
Show the steps the 5y-3 is over the y+2 but i do not know how to put the lineunder the 5y-3
x= 5y-3/y+2

Click here to see answer by dekanchuk1216(1) About Me 

Question 309817: Question 309816: I am trouble solving the equation for y:
Show the steps.

x=+%285y-3%29%2F%28y%2B2%29

Click here to see answer by Edwin McCravy(20060) About Me 

Question 309983: find the slope if it exists (5,4) and (7,-10)

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Question 310210: what is 3 multiply by -1 equal

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Question 310585: FACTORING! im not sure how to factor this correctly ive tried and have been told the answer im getting is wrong the problem is the following:
48x^2y+12xy+20xz+5x
everytime i get (4x+1)(12xy+5z)
what am i doing wrong and what is the correct answer?

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

Question 311367: SOLVE THE FORMULA FOR THE INDICATED VARIABLE. CHOOSE FROM THE FOLLOWING ANSWERS.
I=N/R+s for s
a. s=N+IR/I
b. s=N/I -R
c. s=N/I +R
d. s=R-IN/I

Click here to see answer by Fombitz(32388) About Me 

Question 312003: SOLVE F= 9/5G+32 FOR G

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Question 312257: 3y-4x-2(4x-5y)
Click here to see answer by fractalier(6550) About Me 

Question 312258: 6a-3b+2(b+5a)
Click here to see answer by fractalier(6550) About Me 

Question 312259: -(5a-3x)- (3x-5a)
Click here to see answer by mananth(16946) About Me 
Question 312259: -(5a-3x)- (3x-5a)
Click here to see answer by fractalier(6550) About Me 

Question 312261: (-6x+y)-(3y-5x)
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Question 312438: 4x4
Click here to see answer by rapaljer(4671) About Me 

Question 312964: i need help with this problem
A number k subtracted from the product of 4 and a number y?

Click here to see answer by solver91311(24713) About Me 

Question 313882: 20+12/-3
Click here to see answer by rapaljer(4671) About Me 

Question 314429: how do you simply -12(3/4x-5/8y+2/3z)
Click here to see answer by Jstrasner(112) About Me 

Question 314585: f(x) = 11x + 8, evaluate f(7)
Click here to see answer by eshomali(33) About Me 

Question 315106: Simplify the following exponential expression
(9a^-3b^3c^6/-3a^-5b^-2c)-2
I know the first letter would be -3a but I just don't know what to do about the -2 on the outside of the parenthese of the problem.
Thanks for your help

Click here to see answer by Fombitz(32388) About Me 

Question 315755: Please help me to evaluate: a+(b-a)^2, for a=1 and b=2.
My answer is 3, but it's answer is 2?
Thanks in advance

Click here to see answer by nerdybill(7384) About Me 

Question 315926: I am so incredibly lost...
Divide and simplify.
y^2-9/4y+12 divided by y-3/6

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

Question 316081: -7x-1-6x-5
Click here to see answer by jim_thompson5910(35256) About Me 

Question 316230: What is the answer to 3(x-7)=-3?
please explain all steps
thanks

Click here to see answer by Jstrasner(112) About Me 

Question 317056: Factor the following expression. Factor out any common factors first.
4m+n + 16m^2- n^2

Click here to see answer by jim_thompson5910(35256) About Me 

Question 317057: Factor the following trinomial, if possible. If the coefficient of the first term is negative, factor out -1 to make the first term positive.
8b^2 + 10b - 25

Click here to see answer by jim_thompson5910(35256) About Me 

Question 317059: Factor the following trinomial, if possible. If the coefficient of the first term is negative, factor out -1 to make the first term positive.
10a^2 - 9a + 2

Click here to see answer by jim_thompson5910(35256) About Me 

Question 317068: Factor the following expression completely.
x^2 - 8x + 16 - 9y^2

Click here to see answer by nyc_function(2741) About Me 
Question 317068: Factor the following expression completely.
x^2 - 8x + 16 - 9y^2

Click here to see answer by MathTherapy(10555) About Me 

Question 317054: Factor out the designated common factor.
y^3 from y^m+3 + y^m+5

Click here to see answer by Fombitz(32388) About Me 

Question 317063: Factor the following trinomial, if possible. If the coefficient of the first term is negative, factor out -1 to make the first term positive. Assume that n is a natural number.
y^4n - 2y^2n + 1

Click here to see answer by Fombitz(32388) About Me 

Question 317062: Factor the following trinomial, if possible. If the coefficient of the first term is negative, factor out -1 to make the first term positive.
-2v^2 + 14v - 24

Click here to see answer by Fombitz(32388) About Me 

Question 317374: (2x-3)/3-(3x+1)/5
Click here to see answer by unlockmath(1688) About Me 

Question 317522: Simplify. Write the answer without parentheses. (b^2/-2a)^3
Click here to see answer by Fombitz(32388) About Me 

Question 317564: Simplify: [2^3+4(7-3)]/8.
Click here to see answer by Fombitz(32388) About Me 

Question 317660: Simplify: -(7-9)(7+9)/(2-6)*4^2.
For this question I got -32/-64 simplifed to 1/2, is that correct?

Click here to see answer by mananth(16946) About Me 

Question 317923: Form an equation and solve it to answer each question. Ten less than five times a number is the same as the number increased by six. What is the number?
Click here to see answer by stanbon(75887) About Me 

Question 318337: If you are traveling 69 miles per hour on a highway in Canada,how fast are you traveling in kilometers per hour? (Use k =1.61r, where r = rate in miles per hour and k = rate in kilometers per hour)
Click here to see answer by solver91311(24713) About Me 

Question 318331: 6a-{3b-6[a-(b+5a)]}
Click here to see answer by unlockmath(1688) About Me 

Question 318338: Find the total cost of tiling a triangle area having a base length of 3 meters and a height of 8 meters if it costs $3.88 to tile one suare meter. Round to the nearest cent.
Click here to see answer by nyc_function(2741) About Me 

Question 318330: 4(7-y)-5(1+4y)
Click here to see answer by rfer(16322) About Me 

Question 318324: -2x(3x-4y+3)
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Question 318525: How do i evaluate (u3 - 7u - 6) if (u)= -2?
Click here to see answer by Fombitz(32388) About Me 

Question 318754: Given h(x)=3x^2-2x+1, Find h(3)
Click here to see answer by nyc_function(2741) About Me 

Question 318854: what is the excluded value?
2x
----
1-2x

Click here to see answer by Fombitz(32388) About Me 

Question 319163: Simplify the algebraic expressions containing exponents, answer with positive exponents only. (not quite sure where this would go under category wise)
%28-2c%5E-3%2Ad%5E4%29%2F%283%5E-1%2Ac%5E1%2Ad%5E-2%2Ac%5E3%29

Click here to see answer by jim_thompson5910(35256) 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