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

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Question 221035: 657*56
Click here to see answer by user_dude2008(1862) About Me 

Question 221847: what is x+t^10
Click here to see answer by Earlsdon(6294) About Me 

Question 221971: state the expression without parentheses for 3(x + 2)
Click here to see answer by jim_thompson5910(35256) About Me 

Question 222029: m doing Variables and i just cant get this problem c=2(pie)R
Click here to see answer by checkley77(12844) About Me 
Question 222029: m doing Variables and i just cant get this problem c=2(pie)R
Click here to see answer by rfer(16322) About Me 

Question 222041: what is the answer to this problem step by step? (10 x n) + 7 = 457
Click here to see answer by checkley77(12844) About Me 

Question 222484: X=6, y=-4, a=3
(5x - 2y)(-2a)
evaluate.

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

Question 222486: X=6, y=-4, a=3
6x - 5y + 4a
evaluate.

Click here to see answer by drj(1380) About Me 

Question 223027: Solve.
8x-(6x+4)=12
The solution of x = ___

Click here to see answer by rfer(16322) About Me 
Question 223027: Solve.
8x-(6x+4)=12
The solution of x = ___

Click here to see answer by drj(1380) About Me 

Question 223381: twice a number is 60 more than five times the number. what is the number?
Click here to see answer by checkley77(12844) About Me 
Question 223381: twice a number is 60 more than five times the number. what is the number?
Click here to see answer by jsmallt9(3758) About Me 

Question 224431: i have to multiply the monomials
2x^2(-3x)

Click here to see answer by checkley77(12844) About Me 
Question 224431: i have to multiply the monomials
2x^2(-3x)

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

Question 224384: Could you help me with this problem?
Dina and Masha start out on a 10km bikepath at the same time. When Dina reaches the end of the 10km, Masha still has 2km left to bike. Dina's biking speed is 5km per hour, find Masha's biking speed.

Click here to see answer by checkley77(12844) About Me 

Question 224842: Please help me simplify this problem
4a-3+5a
this is what i did
4a+5a= 9a +(-3)
am i right?

Click here to see answer by Alan3354(69443) About Me 
Question 224842: Please help me simplify this problem
4a-3+5a
this is what i did
4a+5a= 9a +(-3)
am i right?

Click here to see answer by drj(1380) About Me 

Question 224852: Please help me simplify this problem
t-3t+2t+4
this is what i did
1t-3t+2t=0t+4
am i right?

Click here to see answer by LtAurora(115) About Me 
Question 224852: Please help me simplify this problem
t-3t+2t+4
this is what i did
1t-3t+2t=0t+4
am i right?

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

Question 225089: what is 9p-3(5p+2)+6
Click here to see answer by rfer(16322) About Me 
Question 225089: what is 9p-3(5p+2)+6
Click here to see answer by jim_thompson5910(35256) About Me 

Question 225104: How to solve
(3x4y)^2

Click here to see answer by rfer(16322) About Me 

Question 225047: How to simplify: 20*(-c)
Click here to see answer by rfer(16322) About Me 

Question 225046: How to simplify: 20*(-c)
Click here to see answer by rfer(16322) About Me 

Question 225442: Can you please help me with this question?
3r(squared)+4r(squared)
combine like terms where possible.

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

Question 225465:
Click here to see answer by Thelioness(3) About Me 

Question 225446: Please help me answer this question.
1/4(6b+2)-2/3(3b-2)
Simplify the expression.

Click here to see answer by checkley77(12844) About Me 

Question 225594: A tank can be filled from the faucet in 8 hours. It takes only 6 hours to empty the tank when the drain is open. If the tank is full and both the faucet and drain are open, how long will it take to empty the tank?
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 225749: 6v-28=50
Click here to see answer by rfer(16322) About Me 

Question 225746: -72=8x-48
Click here to see answer by rfer(16322) About Me 

Question 225745: x-8=-8
Click here to see answer by rfer(16322) About Me 

Question 225752: could you please tell me what the mathematical expression for "take x and increased it by the double of six".
Click here to see answer by rfer(16322) About Me 

Question 225959: If a certain number is added to the numerator and denominator of 7/15, the results is 1/3. find the number?
Click here to see answer by jim_thompson5910(35256) About Me 

Question 226494: 2.4x+3.8+3x+5
Click here to see answer by user_dude2008(1862) About Me 

Question 226485: write an expression for Amir's total salary for h hours of work if he is paid $8.25 per hour.
Click here to see answer by rfer(16322) About Me 

Question 227995: Simplify: x-{x-1-[x-2-(x-3-{x-4-[x-5-(x-6)]})]}
Click here to see answer by rfer(16322) About Me 

Question 228383: how do you solve 6*(-2)*(-1)*3
Click here to see answer by rfer(16322) About Me 

Question 228814: I'm not sure if this is what this is the right place for it but can you explain this problem and how to solve it: x/3=-10.
Click here to see answer by Alan3354(69443) About Me 

Question 228907: Solve: f(f^-1(-14))
How do I do this?

Click here to see answer by rapaljer(4671) About Me 

Question 229006: Simplify: -6[39 -(-88 -8)]
Click here to see answer by rfer(16322) About Me 

Question 229083: Solve: -10 ≤4x -5 ≤4
Click here to see answer by chibisan(131) About Me 

Question 229441: 1)the quotient of a number and six

2)the quotient of two and three more than a number




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

Question 229239: COMPLETE
4X/X-1=?/(X+1)(X-1)

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

Question 229738: How do I write the sentence (-x)2 ≠ -x2 in words?
Click here to see answer by ly12603(44) About Me 

Question 229853: x+y(y+8x)
Click here to see answer by rfer(16322) 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