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

Tutors Answer Your Questions about expressions (FREE)

Question 380995: evaluate z/y for z = 28 and y = 4
Click here to see answer by Jk22(389)

Question 380992: use multiplying by 1 to find an expression equivalent to 2/5 with a denominator of 35x
Click here to see answer by Fombitz(13828)

Question 381129: 1/3s + 7/9 = 4/3s
(-3/1s)+ 1/3s + 7/9= 4/3s -(3/1s)
7/9= 1/3s multiply both sides by 3/1
7/3=s
This is what I got for my answer, but when I check it, the solution doesn't add up. Where am I going wrong?

Click here to see answer by rfer(12644)

Question 381499: how do i factor 6p^2+5p+1?
Click here to see answer by Jk22(389)

Question 381499: how do i factor 6p^2+5p+1?
Click here to see answer by ewatrrr(10682)

Question 383038: Evaluate: 100 / b
when b = 4
Click here to see answer by rfer(12644)

Question 383485: x(m+n+1)
Click here to see answer by robertb(4012)

Question 384069: evaluate the expression for the given value of x: -2x,x=5
Click here to see answer by Fombitz(13828)

Question 384569: 10 – 8 – 10 + 2 = 4
where do I insert the parentheses?
Click here to see answer by richard1234(5390)

Question 385328: (x+y)(x-y)
Click here to see answer by mananth(12270)

Question 385735: How would you evaluated 3x + 1?
Thanks a bunch....
Click here to see answer by robertb(4012)

Question 385833: question 1. Solve x2 − 2x − 8 = 0 by graphing. The x intercepts are ? and ?

question2.Solve x2 + 5x = 6 by graphing. The x − intercepts are? And?

Click here to see answer by mananth(12270)

Question 385856: Solve x2 + 5x = 6 by graphing. The x − intercepts are? And?
Click here to see answer by mananth(12270)

Question 386115: No idea where to file this under, hopefully someone will be able to help anyway.
x²-6x+9=100 I would appreciate the steps on how to do it, thank you! :)
Click here to see answer by ankor@dixie-net.com(15624)

Question 386426: Help me simplify this equation: 19-[10-2(3)-7]
Click here to see answer by rfer(12644)

Question 386815: write in standard form an equation of the line that passes through the given point and has the given slope (-2,-1),m=3
Click here to see answer by rfer(12644)

Question 386891: Having problems with this equation, answer is supposed to be 26, here is the problem-
29-{5+3[8*(10-8)]-50}=

Thanks
Click here to see answer by rfer(12644)

Question 386983: I'm stuck here. How do you determine if the following two expressions are equivelant? justify your answer
f(x)=6x^2 + 7x-3/2x+3 and g(x)=3x(3x+1)-(1+9x^2)

Click here to see answer by ewatrrr(10682)

Question 387087: first: -2(a+3b)=
second: -2(2x+y)=
third: 2(3a+ab)=
fourth: -5(3a+2b-6c)=
fifth: -(a-3b+x-y)=

Thanks a lot...
Click here to see answer by rfer(12644)

Question 387449: (+5)-(+2x)(-5)=
Click here to see answer by rfer(12644)

Question 388111: what is the answer to this problem.
14(y+1)=
Click here to see answer by Dozersflick(1)

Question 388111: what is the answer to this problem.
14(y+1)=
Click here to see answer by Alan3354(30959)

Question 388238: Im trying to multiply and simplifie 58.5 -2....Thank you.
Click here to see answer by Alan3354(30959)

Question 388237: Im trying to find the answer to the following question and its one of the 4 answers after the question. Im looking for an equivalent expression without parentheses -(4x -8).......The answer is one of these -4x +8....-4x -8....4x -8....32x....Thank you.
Click here to see answer by rapaljer(4667)

Question 388260: I'm trying to find the cordinates of the y intercept and the x intercept in that order -3x + 2y =6 The 4 answers i have to choose from are. 1.) (-2 -6)(-4 6) 2.) (0 -4)(0-6) 3.) (0 3)(-2 0) 4.) (-4 0)(-6 0) Thank you very much
Click here to see answer by edjones(7569)

Question 388364: Im trying to solve this equation -5b + 3 = -5 + 10b The 4 choices i have are 1.)8/15 2.)-5/2 3.)-15/8 4.)15/8 Thank you very much.
Click here to see answer by checkley79(3039)

Question 388671: what is the product of this expression
(a-3b)(2a+2b)
Click here to see answer by jim_thompson5910(28476)

Question 389155: (3x = 15 + 6x) What is the value of x?
Click here to see answer by jim_thompson5910(28476)

Question 389600: Which property of real numbers is illustrated by the following statement?
5x - 9x = (5 - 9)x

Click here to see answer by richard1234(5390)

Question 389599: Which property of real numbers is illustrated by the following statement?
5x - 9x = (5 - 9)x

Click here to see answer by checkley79(3039)

Question 389599: Which property of real numbers is illustrated by the following statement?
5x - 9x = (5 - 9)x

Click here to see answer by robertb(4012)

Question 390013: multiply -7(2a^ -4)
Click here to see answer by MathLover1(6614)

Question 390081: Solve 2x^3(-3x)^2
Click here to see answer by jim_thompson5910(28476)

Question 390422: Please help solve this equation
Click here to see answer by richard1234(5390)

Question 390678: Good evening, I am a high school student just starting from another country Trinidad & Tobago. I need some help with my algebra please. Can someone please assist me? Thank you
7p + q(3 + r), fro p = 3,q =2, and r =1-----------------

Click here to see answer by checkley79(3039)

Question 391046: 112x9=nx112 n=

Click here to see answer by checkley79(3039)

Question 391142: if sally paints a house in 4 hours and john can paint it in 6 hours, how long will it take them to paint the house together. the answer is 2 hours and 24 min but i dont understand how they got it. please break down the problem . thank you
Click here to see answer by mananth(12270)

Question 391201: Hi my name is jayde, and I have a problem in math. I my worst subject, i like division but that is it I'm 11 years old and i dont know all my times tables but I'm lookin for somebody to tutor me and I'm afraid because I have aims test soon please help me so here's on question its reduce fractions 6 over 9 plese help me im so stuck thank very very very much
Click here to see answer by Alan3354(30959)

Question 391144: I have a problem with algebra word problems. Please help with this one: at the beach 4 children working separately made 8 sandcastles in an hour.at this rate, hhow many sandcastles can 12 children make in 1/2 an hour.
Click here to see answer by ankor@dixie-net.com(15624)

Question 391148: if Lynn can type a page in P minutes, what piece of the page can she do in 5 minutes.
Click here to see answer by Jk22(389)

Question 391640: Multiply 7(2z-3y)
Click here to see answer by mananth(12270)

Question 391739: logbx + logb(x+2)-logb8
assume that x, y amd x are positive numbers. Use the properties of logarithms to write each expression as the logarithm of one quantity
Click here to see answer by stanbon(57219)

Question 391953: how many times your height could you move per second if you were a cockroach?

my height is 5'1
Click here to see answer by jerryguo41(162)

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