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

Tutors Answer Your Questions about expressions (FREE)

Question 391956: a cockroach that is 1.6 inches long can move 80 inches per second. how many times your height could you move if you were a cockroach? my height is 5'1
Click here to see answer by stanbon(57346)

Question 391960: a cockroach that is 1.6 inches long can move 80 inches per second. how many times your height could you move if you were a cockroach. my height is 5'1
Click here to see answer by stanbon(57346)

Question 391949: Perform the indicated operation.

-16-(-14)
_________
-18-(-18)
Click here to see answer by edjones(7569)

Question 392231: R/8=5
C/20=-6
M/-4=3
Click here to see answer by MathLover1(6632)

Question 392785: 10+11x-6x
Click here to see answer by jim_thompson5910(28595)

Question 392859: (5c+4d)expont2 for c=-3 d=-1
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Question 392908: my son is doing some form of algebra and i dont understand. one of the problems he had was 8x-2=-9+7x the answer is x=-7 could you explain to me how his teacher got that answer.
Click here to see answer by jim_thompson5910(28595)

Question 392982: -11-(-5)=
Click here to see answer by jim_thompson5910(28595)

Question 393378: v is 2/5 of a
Click here to see answer by rfer(12657)

Question 393378: v is 2/5 of a
Click here to see answer by Alan3354(30993)

Question 393853: I would appreciate it if you could give me the steps to complete this equation.....[3+(-13)]+[-4+(-7)]
Click here to see answer by rfer(12657)

Question 393995: The length of a rectangular swimming
pool is 2x - 1 meters, and the width is x + 2 meters. Write
a polynomial A(x) that represents the area. Find A(5).
Click here to see answer by richard1234(5390)

Question 394070: Simplify.
x^2 * x * x^5
Click here to see answer by jim_thompson5910(28595)

Question 394267: -7(3-2to the 2nd)-(4+1)to the 2nd
Over
17+2(4+1)-(3-4)to the 103rd
Click here to see answer by MathLover1(6632)

Question 394143: subtract -x2+10x-5 from 5x-10

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Question 394586: translate :the difference between seven times a number and eleven is ten.
Click here to see answer by edjones(7569)

Question 394693: In the following example what does the [ mean and why are { } used after the = sign and why is the I between the two x's. [a,oo)= {xIx > a} (there is a line under the greater than sign, I do not know what the symbol means)
My name is Dolly and my email is elkm@suddenlink.net
Click here to see answer by jrfrunner(365)

Question 394767: 8-3[-2(5-7)-5(4-2)] I need the steps used to solve this algebraic expression please and thankyou. I am getting -30, but I know the answer is 26. If i can see the steps taken to solve the problem it would be much help. Thanks again.
Click here to see answer by ewatrrr(10682)

Question 394757: 5(-8)-[6-(2-4)]+(12-16)to the second power
Click here to see answer by rfer(12657)

Question 395339: Multiply 4/5(b-20)=
How do I solve this?
Click here to see answer by jim_thompson5910(28595)

Question 395790: -10(7r+4)+6(7r+8)
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Question 396367: Write an equivalent expression to 4+M
Click here to see answer by MathLover1(6632)

Question 396395: 2/9n-5=2+5/9n
I came up with -3/9n=-3. Is that correct?

Click here to see answer by solver91311(16885)

Question 396500: 12+4y=-32 how do you solve this problem
Click here to see answer by rfer(12657)

Question 396812: is 23 a solution to x + 22 = 46?
Click here to see answer by ewatrrr(10682)

Question 396815: simplify 2w + 8w + 5
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Question 396859: 1/x(x/y-1)- 1/y(1+Y/x)
Click here to see answer by stanbon(57346)

Question 397147: I need to know if i am evaluating this expression right? 9xy-4xz+3yz, x=7, y=3, and z=2 I got 151 as the answer. What I did: 9(7)(3)-4(7)(2)+3(3)(2), 9(21)-4(14)+3(6), 189-56+18=151,
Click here to see answer by jim_thompson5910(28595)

Question 397260: evaluate -48÷(-12)
Click here to see answer by MathLover1(6632)

Question 397838: Evaluate the expression.
7d – 5c
if d = 7 and c = 3
Click here to see answer by jim_thompson5910(28595)

Question 398007: 3[8-2(5-8)]

Click here to see answer by Tatiana_Stebko(1326)

Question 398179: 2[5+2(8-3)]=
Click here to see answer by rfer(12657)

Question 399213: 2x+5k=6k^2-3kx-6 find X
Click here to see answer by stanbon(57346)

Question 399277: (x-3)^(2)-2(x-3)(y+2)-35(y+2)^(2)
Click here to see answer by richard1234(5390)

Question 399305: How do I factor 5c+90?
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Question 399283: 3x+5(x+2)=90 what does x equal?
Click here to see answer by rfer(12657)

Question 400310: Factor the expression completely.
3x^3 - 27x
Click here to see answer by scott8148(6628)

Question 400467: 9 to the negative 2nd power. Evaluate this expression
Click here to see answer by algebrahouse.com(1079)

Question 400468: -32 + 3[12 ÷ (5 - 8)] can you help

Click here to see answer by algebrahouse.com(1079)

Question 400468: -32 + 3[12 ÷ (5 - 8)] can you help

Click here to see answer by unlockmath(1599)

Question 400466: -32 + 3[12 ÷ (5 - 8)]

Click here to see answer by rfer(12657)

Question 400498: Simplify the following expression. -7x - 2+5x+8x^2 -14x
Click here to see answer by edjones(7569)

Question 399969: 3x-2y-(-3+y)+6=?
Click here to see answer by sofiyac(695)

Question 400749: The sum of three times a number and a number equals 216.
Click here to see answer by Tatiana_Stebko(1326)

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