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

Tutors Answer Your Questions about expressions (FREE)

Question 153179: I would want to know step by step of how to simplfy ecuation and to reduce the expresion?
1 4(2x-1)-6(x+3)
2 6a-2a+5=17
3 4(8-3w)=32-8(w+2)
Click here to see answer by checkley77(12844)

Question 152779: A rectangular shape has a length-to-width ratio of approximately 5 to 3. A designer can use the expression 1/3(5w)to find th length of such a rectangle with a given width w. Find the length of such a rectangle with width 6 inches.
Click here to see answer by mangopeeler07(462)

Question 153266: 2n-7,for n=8
Click here to see answer by Edwin McCravy(20060)

Question 153286: simplify:
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Question 153286: simplify:
Click here to see answer by jim_thompson5910(35256)

Question 153295: evaluate:
3^0
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Question 153456: the value in cents of q quarters
Click here to see answer by orca(409)

Question 153640: worksheet problem -- not in book -- could not find edition no., but the year is 1995
what order do I solve this equation
{8[12(10 +6) - 88 ] + 168} /125
Click here to see answer by stanbon(75887)

Question 153643: here is another problem from a worksheet
order of operations is confusing.
5{[15(8^2 - 24)/12]} - 6^3
Click here to see answer by Edwin McCravy(20060)

Question 153644: worksheet problem
15+{5+[(12 * 4) + (16 * 3)]-3}
15+{5+[(48)+(48)]-3}
15+{5+[96]-3}
15+{98}
113
Click here to see answer by Fombitz(32388)

Question 153761: 5[4+(12-4)/2]
Click here to see answer by checkley77(12844)

Question 153759: 2[5(11-3)]-16
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Question 153831: simplify [(1/x^2)-(1/9)]/(x-3)
Click here to see answer by orca(409)

Question 153920: evaluate -2a+6b when a = 6 and b =-3
Click here to see answer by checkley77(12844)

Question 153920: evaluate -2a+6b when a = 6 and b =-3
Click here to see answer by Edwin McCravy(20060)

Question 154014: Please show me the steps and answer in solving this
v-4(4-v) = -2(2v-1)
Parent
Click here to see answer by jojo14344(1513)

Question 154014: Please show me the steps and answer in solving this
v-4(4-v) = -2(2v-1)
Parent
Click here to see answer by checkley77(12844)

Question 154016: How would I simplify this?
p^3+3q^2-q+3p^3
Im no good at simplifing please help me.
Click here to see answer by checkley77(12844)

Question 154032: five times the sum of c and 18
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Question 154048: How would I solve for x?
4kx-7y=kx
______
k

Click here to see answer by MusicLadyToo(1)

Question 154146: -(3-10)-(6-3)
My answer is not coming out correctly.
Please see my version-
-(3+(-10))-3=
-(-7)-3=
-(-7)+(-3)= -13
The textbook gives the answer as 4. Where am I going wrong?
Thank you.
Click here to see answer by ptaylor(2198)

Question 154150: 21-[-(3-4)-2]-5
21-[-3+(-4)-2]-5
21-[-7)-2]-5
21-[-7+(-2)-5
21-(-9)-5
21+9-5
30-5
25
Textbook gives this answer as 17
What am I doing wrong?
Thank you.
Click here to see answer by stanbon(75887)

Question 154148: I have tried working this one several times. My answer does not match the textbook answer. Please help.
Thank you.
-5-[(2-3)-4]=
-5-[(2+-3)-4]=
-5-[-1-4]=
-5-[-1+-4]=
-5-(-5)=
-5+5=0
The Textbook answer is 10. My answer is 0.
Click here to see answer by ptaylor(2198)

Question 153454: the value of cents of q quarters
Click here to see answer by terbear1963(43)

Question 154277: me and my aunt keep getting different answers. this is weekend homework.
Multiply or divide. Simplify.
1) ((x^2-9)/(x^2-4x))*((2x-8)/(x+3))
2) (m^2+10m+25m)/(m^2+12m+35)
3) ((y^2+4y+4)/(y^2+3y+2))/((y^2+6y+8)/(y^2+4y+3))

Click here to see answer by jim_thompson5910(35256)

Question 154306: (x2 - 3X +2) - (3X2 - 5X -1) =

Click here to see answer by checkley77(12844)

Question 154474: Please help me evaluate this expression, not just simplify. thank you so much.
Evaluate (1/2)^3 + 1/4 - 2/3 * (1/4)^2
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Question 154552:
Click here to see answer by Alan3354(69443)

Question 154714: the number of meters in c centimeters
write an expression for the situation
Click here to see answer by stanbon(75887)

Question 154716: write this math problem out
What is a number greater than 6
Click here to see answer by Alan3354(69443)

Question 154744: when you have parentheses and an exponent, does the exponent go inside or outside?
Click here to see answer by stanbon(75887)

Question 154669: Please Help! A plumber charges a fee of $75 per service call plus $15 per hour.If h is the number of hours the plumber works, then write the expression to the total charges(c).
Click here to see answer by jojo14344(1513)

Question 154920: 7b(8+6(b-1))
Click here to see answer by orca(409)

Question 154936: x+8=12
Click here to see answer by oscargut(2103)

Question 154936: x+8=12
Click here to see answer by checkley77(12844)

Question 154953: -5(y+7)
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Question 154975: Please help me find the equation that would help me solve this question: "the sum of 7 times m and 6" thanks
Click here to see answer by ankor@dixie-net.com(22740)

Question 155195: How do you solve for: a + 4 = 9.6 and 3f = -21.6? You have to switch the signs, like the first problem, do subtraction, and the second problem do division. You have to solve the number closest to the variable.
Click here to see answer by edjones(8007)

Question 155270: lowest terms
u^2+16u+63/u+7 * 1/u+9

i got the answer
u^2+16u+63/u^2+16u+63=1
Is this right?
Click here to see answer by Earlsdon(6294)

Question 155592: problem is (3+2)divided by5times2to the third power how can this be solve?
Click here to see answer by checkley77(12844)

Question 155561: I need help with this problems. I have work them out but not sure if what I did is correct. Problems are found in chapter 2 section 2.5 #'s 66,86, and 94
Click here to see answer by Alan3354(69443)

Question 155831: Evaluate 2.4x10^2 / 8.0x10^-3
Click here to see answer by checkley77(12844)

Question 155913: 0-07-865113-1
algebra equation 48(3 1/6)
How will break this down?
Click here to see answer by Alan3354(69443)

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