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

Tutors Answer Your Questions about expressions (FREE)

Question 499765: What is 5y-6x when y equals 9 and x equals 4?
Click here to see answer by oberobic(2304)

Question 499779: -8 + (-3)
Click here to see answer by MRperkins(300)

Question 499486: Ken bought 4 shirts. Barbie bought x more shirts than Ken. How many shirts did they buy all together? Is it just x+4
Click here to see answer by Flannery(124)

Question 500250: how do i solve this problem? t-7.4=-12.9
Click here to see answer by geetha_rama(94)

Question 500525: Please help me solve this equation:Todd is 5 inches taller than his brother. The sum of their heights are 139 inches. Find Todd's height.
Click here to see answer by chessace(471)

Question 501156: 20x-10
x=4
Click here to see answer by Alan3354(69443)

Question 501355: Would you please show the answer to the following? 1-3/4(b+2)=-5
Click here to see answer by rfer(16322)

Question 501409: what is the millgrams in 1 gram as a power
Click here to see answer by xdragonfight(116)

Question 501945: where to put the parentheses 6*6+6*6-6
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Question 502646: 30-4*2+5=2
Click here to see answer by Alan3354(69443)

Question 502809: 4(-3x-5)-(10+4x)
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Question 502809: 4(-3x-5)-(10+4x)
Click here to see answer by jim_thompson5910(35256)

Question 502765: Using the pemdas formula, I need to put 6, 6, 6, and 6 to equal 6. I am having difficulty trying to come up with the sum of 6. Please help.
Click here to see answer by ankor@dixie-net.com(22740)

Question 503215: 7(n-1)=-2(3+n)
Click here to see answer by unlockmath(1688)

Question 503514: What is the value of (1+1/2)(1+1/3)(1+1/4)...(1+1/2011)? choose the answer and explain the reason to choose your response
1005
2011
1006
2012
Click here to see answer by jim_thompson5910(35256)

Question 504022: I really need help with this fraction problem.
Evaluate:
9z over y for z=24 and y=8
simplify your answer
Click here to see answer by oberobic(2304)

Question 504022: I really need help with this fraction problem.
Evaluate:
9z over y for z=24 and y=8
simplify your answer
Click here to see answer by jim_thompson5910(35256)

Question 504217: How do you group 59-4x6-4 to get it to equal 51?
Click here to see answer by jim_thompson5910(35256)

Question 504277: what is the answer for 1/4y for y = 16
Click here to see answer by richard1234(7193)

Question 504178: What is (x+5)^3+8=0?
Click here to see answer by ankor@dixie-net.com(22740)

Question 504851: I have a test come in Please! help,ty

http://imageshack.us/photo/my-images/11/page2rv.jpg/
Click here to see answer by richard1234(7193)

Question 505692: 3(5x)=46
Click here to see answer by oberobic(2304)

Question 505845: Claude and Rosalinda are debating whether an equation from their homework assignment is an indentily .Claude says that some he has tried ten specific value for the variable and all of them worked ,it must be used as counterexamples Roselinda explain that specific values could only be use as counterexamples to prove that an equation is not an identity.Who is correct? .Explain your answer.
Click here to see answer by Edwin McCravy(20060)

Question 506027: The price of one brand of athletic shoes is $5 more than another brand. If the prices of the two pairs of shoes add to $230, how much does each pair cost?Translate this problem into algebraic equations. It is not required that you solve the equations; simply translate them. Identify the variables, constants, and coefficients in each equation. Make equations with only one variable and simplify the equation on both sides until there are no parentheses and like terms have been combined.

Click here to see answer by stanbon(75887)

Question 506014: Translate this problem into algebraic equations. It is not required that you solve the equations; simply translate them. Identify the variables, constants, and coefficients in each equation. Make equations with only one variable and simplify the equation on both sides until there are no parentheses and like terms have been combined.
The sum of three consecutive even numbers is 144; what are the numbers?

Click here to see answer by richard1234(7193)

Question 507225: n^2+4n-12
Click here to see answer by jim_thompson5910(35256)

Question 507568: Hi I was hoping someone could assist me with this problem. Thank you!!! :)
Evaluate each polynomial for x = 3 and for x = −3
−x2 − 3x3 − x4
Click here to see answer by jim_thompson5910(35256)

Question 506137: 5t for t = 12
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Question 505360: 10x+36-38x-47
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Question 497903: YOU-ARE-A-LIFE-SAVER! Since I'm not really understanding this material. Thanks and please help me solve this!

-9(6m - 3) + 6(1 + 4m)= ?

Click here to see answer by jim_thompson5910(35256)

Question 498067: 3(p+9q-2+9)+14p
Click here to see answer by jim_thompson5910(35256)

Question 504057: (10-22)(2-12)^3
Click here to see answer by jim_thompson5910(35256)

Question 501303: 3/5n=12
Click here to see answer by jim_thompson5910(35256)

Question 503662: Can you please help me solve this algebra problem.
5{X-1}=2{X+3}+2X
Click here to see answer by jim_thompson5910(35256)

Question 507540: Please hep me solve this question. 2x+2(x-3)-4(x+1)
Click here to see answer by jim_thompson5910(35256)

Question 507585: X^2 - 9=0 factor
Click here to see answer by Earlsdon(6294)

Question 507638: seven added to two-third of a number
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Question 507716: 9(2x+5)+6=6=3x
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Question 507794: A number of people bought a 300-hectare farm which they shared equally. if the number of hectares per person was 5 less than their number,find the number of people?
Click here to see answer by Earlsdon(6294)

Question 497754: formula,solve for the variables indicated. p=s + t + u for u
Click here to see answer by jim_thompson5910(35256)

Question 508523: not sure what I need to do, i need to evaluate this problem,
Evaluate:
m - 6n for m = 6 and n = -3

please help
Click here to see answer by swincher4391(1107)

Question 508730: 3(x+7)+2x
Click here to see answer by jerryguo41(197)

Question 508732: 4(R-1)+5R+3
Click here to see answer by edjones(8007)

Question 508964: The Smith Brothers ages multiplied together give the answer 2184. Tom is 1 year older than john. Michael is 1 year older than Tom. How old are they?
Click here to see answer by swincher4391(1107)

Question 511235: What is 27n times 0

Click here to see answer by richard1234(7193)

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