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

Tutors Answer Your Questions about expressions (FREE)

Question 356867: find the coordinates of the y-intercepter and the x intercepter, in the order
-3x+2y=6
Click here to see answer by Fombitz(13828)

Question 356909: i have to find the problem in the eyes of x
How do I find: ax-b=c solve for x
i tried: x=(c+b)divide a
i have to find the problem in the eyes of m
4(m+1)=n solve for m
i tried: m=n divide 4-1
thank you
Click here to see answer by Fombitz(13828)

Question 356920: 4-5+2-6-11=6
Click here to see answer by Alan3354(30993)

Question 356920: 4-5+2-6-11=6
Click here to see answer by checkley77(12569)

Question 357007: (16-24)-(57-77)/(-2)
Click here to see answer by mananth(12270)

Question 357099: the length of a rectangle is fixed at 20cm. What widths will make the perimeter greate than 76cm
I thought the formula was L=w+76
This is where I confuse myself could you please help me
Click here to see answer by ewatrrr(10682)

Question 357173: 3-4z=-5+8z
Click here to see answer by rfer(12670)

Question 357393: please help me solve:
16h=8(2h-10)
please show me the work
thank you!
Click here to see answer by edjones(7569)

Question 357745: I am trying to help my son with the following problem:
(g3-7)2*5+4
That should read G cubed minus 7 and that answer to the 2 power times 5 plus 4
Click here to see answer by nerdybill(6962)

Question 358306: how do i write two different expressions to find the total cost of horsebackriding.
Suppose you pay $15 per hour to go horseback riding. You ride 2 more hours today and plan to ride 4 more hours this weekend.

Click here to see answer by stanbon(57387)

Question 358347: u+4=4u-8

Click here to see answer by unlockmath(1603)

Question 358394: 3x+[2x-4y(6-4x]+2y-(-3-x+3y)
Click here to see answer by mananth(12270)

Question 358604: I have a word problem to translate into an algebraic expression and I would like help. The word problem states that by the end of the 2001 season, Michael Jordan had averaged 31.5 points per game over the course of his career of 930 games. Write an expression showing how many points (p) in total he had scored to average 31.5 per game. Thank you.
Click here to see answer by ewatrrr(10682)

Question 359204: 4x2 + 3y + 5xy + 10. cut by 3/4

Click here to see answer by Fombitz(13828)

Question 359454: 3+y for y=7
Click here to see answer by user_dude2008(1861)

Question 359673: 1/x^2-1/y^2/1/y^3-1/xy^2 simplify this complex rational expressions
Click here to see answer by Fombitz(13828)

Question 359687: u+5/8v^2u^2-u-6v/8v^2u^2
Click here to see answer by Fombitz(13828)

Question 359947: Please help me solve this.. I am goin over my daughters homework,and I am completely stumped.
[(-3 x -8)+(4 x -6)](5 x -8)
The x represents "times/multiply"
Click here to see answer by rfer(12670)

Question 359920: how to solve for 2+ (a/-4)= 3/5 please show steps
Click here to see answer by rfer(12670)

Question 360240: Hello,
I am trying to solve this problem, I am doing radicals and rational exponents and I am having problems solving to questions that needs to be done by tomorrow morning could someone please help with these two problems? First problem is 25^-3/2 and the second problem is (-27x^9)^1/3.
Thanks very much for your help!
Click here to see answer by edjones(7569)

Question 360481: Having trouble with knowing where to start solving this problem
4[5-/3-(2*5)/]
Click here to see answer by rfer(12670)

Question 361083: 15 - 2 x 5 + 8
Was this problem solved correctly?

15 - 10 + 8
15 - 18
-3
First multiplied 2 x 5
Then I added -10 + 8
Then I subtracted 15 - 18
the answer I got is -3

Click here to see answer by rfer(12670)

Question 361509: 6-4d=16-9d
Click here to see answer by rfer(12670)

Question 361867: Find the quotient and the remainder of expression
(3x3+x-2)/(x+1)
Click here to see answer by Fombitz(13828)

Question 362169: What are the steps do to a problem such as:
(23^3)^7 (7^2)
Click here to see answer by HasanSahin(52)

Question 362224: The problem in the book is 16 + T < 42 and the object is to figure out the value of T...however, I am not coming up with an answer less than 42. Please help :)
Click here to see answer by edjones(7569)

Question 362747: How do you simplify the expression:
1 over 2
Click here to see answer by Manny Pacquiao(82)

Question 362838: what is the number of gallons in 21 quarts?
Click here to see answer by Manny Pacquiao(82)

Question 363579: Factor completely if possible.
p(p – m) – 7(m – p)
Click here to see answer by stanbon(57387)

Question 363579: Factor completely if possible.
p(p – m) – 7(m – p)
Click here to see answer by ewatrrr(10682)

Question 363620: Divide:
(15x^3+22x^2+25x)/(5x-1)
Click here to see answer by Fombitz(13828)

Question 364668: what is y-3=-8, what value y??
Click here to see answer by ewatrrr(10682)

Question 365093: I am in college Prealgebra and Introductory Algebra. This Greek to me and I seriously need some help. I am not understanding very well. I can figure out most of my homework, but on test I freeze and fail them. The question I have is how do you work a problem like -4x=20-(-4)?
Click here to see answer by irla(2)

Question 361396: How do I simplify the expression -3(4y)?
Click here to see answer by irla(2)

Question 365294: I have to write the verbal phrase as an algebraic expression. Let n represent the number.
What is 4 fewer than the cube of a number?
Click here to see answer by Alan3354(30993)

Question 365589: (11/5-1 2/3)-(-4/9 18)Evaluate?

X-1/40=11/40 Solve ?

-7/3y=5 Solve?
Subtract 4 1/8 from difference of 4 5/8 and 3 1/4 ?
Click here to see answer by rfer(12670)

Question 365589: (11/5-1 2/3)-(-4/9 18)Evaluate?

X-1/40=11/40 Solve ?

-7/3y=5 Solve?
Subtract 4 1/8 from difference of 4 5/8 and 3 1/4 ?
Click here to see answer by ewatrrr(10682)

Question 365701: its say to evaluate each expression
bc^3-ad for a=-2
Click here to see answer by jim_thompson5910(28598)

Question 365710: x^4+3x^3-x^2+6 for x=-3
Click here to see answer by jim_thompson5910(28598)

Question 365706: it says to evaluate each expression
bc^3-ad for a=-2,b=3,c=-4,and d=4
Click here to see answer by jim_thompson5910(28598)

Question 365720: it says evaluate each expression
a^2b for a=-2,b=3
Click here to see answer by jim_thompson5910(28598)

Question 365859: Evaluate the following limits or show they do not exist:
a) lim x→0
b) lim x→0 where a,b are nonzero real numbers
c) lim x→1
d) lim x→2
Click here to see answer by robertb(4012)

Question 366165: OK. I need help on solving 2 step equations.
My problem is: -15x=-5(3x=7) I know your first step is adding or subtracting the constant but there isnt one! Please help me!

Thank you!

Click here to see answer by stanbon(57387)

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