Questions on Algebra: Operations with Signed Numbers answered by real tutors!

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Algebra: Operations with Signed Numbers

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Question 47342: 8y-(8+6y)=20
Click here to see answer by gsmani_iyer(161)

Question 47834: x-2(xy-y)+4xy-x(3+y) I need to know how to simplify the expression. I have to know how to do it in long form to understand how to do the steps to get the answer. Thank you
Click here to see answer by tsmith5651(7)

Question 48666: The equation is
-9/10x4/3
What is the answer but more importantly HOW do you arrive at the answer?
Click here to see answer by checkley71(8405)

Question 48657: 6 4/5 + 8 3/5 =

Click here to see answer by checkley71(8405)

Question 49017: Add parenthesis to make the sentence true. 3*2-6/3=0
Click here to see answer by ikdeep(182)

Question 49105: what is the value for 2-4-6-2+15
Click here to see answer by Earlsdon(4898)

Question 49104: 2-4-6x+15 what is the value?
Click here to see answer by tutorcecilia(2042)

Question 49172: Add. 20 + (–15)
A) 35
B) 5 is the answer B 5?
C) –5
D) –35

Evaluate. 8 + 2 • 5 – 24 ÷ 6 • 2
A) 16
B) 10 is the answer A 16?
C) 48
D) 42

Click here to see answer by Nate(3495)

Question 49175: Translate the following statement into an algebraic equaion. Let x represent the number.
8 less than 2 times a number is 9 times that same number.
x-8*2*9 (I think this is wrong!!) Help
Click here to see answer by tutorcecilia(2042)

Question 49195This question is from textbook Prentice Hall Mathematics Pre-Algegra
: Use the digits 1-9 in order. Insert operation signs and grouping symbols to get a value of 100.This question is from textbook Prentice Hall Mathematics Pre-Algegra

Click here to see answer by AnlytcPhil(958)

Question 49579: -5+(-8)-7-(-3)=
Click here to see answer by arunraiindian(5)

Question 49611: Please help me solve these two equations:
x+3-2
x+x+2-1x
Click here to see answer by stanbon(26259)

Question 49856: What are the possible numbers if a number has an absolute value of 19?
Click here to see answer by stanbon(26259)

Question 49872: The book says the answer to my question is 7/40. But i dont see how they got that answer when the problem is : -1/5 + 3/8 . Wouldnt i have to multiply to get fourty on the bottom, and as far as i know this problem doesnt call for multiplication. Thanks for your help.
Click here to see answer by stanbon(26259)

Question 50294: Is this the proper way to solve the following order of operations problem?
3(9+(2/3 - 1/6))
3(9+ 4/6 - 1/6))
3(9 + 1/2)
3(19/2)
28 1/2
Click here to see answer by tutorcecilia(2042)

Question 50414: I need help. I must have to make an equasion using digits 0-9 and only once. It also has to use a grouping symbol, an exponent, addition, subtraction, multiplication, and division. It has to equal 100.
Click here to see answer by seawind(8)

Question 48625: What is the Order of Operations?
Click here to see answer by l_sickels(2)

Question 50880This question is from textbook prentence hallmathematics pre-algebra
: "how do you answer these quistions i do not get it?"This question is from textbook prentence hallmathematics pre-algebra

Click here to see answer by stanbon(26259)

Question 51087: How many ounces of pure salt must be added to 60 oz. of a 12% salt solution to make a 20% salt solutuion?
Click here to see answer by venugopalramana(3286)

Question 47341:
Click here to see answer by rchill(405)

Question 51852: 2(2x=5)-5 = 2x+7 This is part of my sons homework. He did not bring a text book home and this is one of his problems. How can I help when I don't know my self? Please help.
Thank you.
Click here to see answer by stanbon(26259)

Question 51874: help with this problem please...
0.4z-0.15=0.65-0.3(6-2z)
Click here to see answer by rchill(405)

Question 51850: 4x + -2x+2x+6
Click here to see answer by tutorcecilia(2042)

Question 51897: 75/-3*-4
Click here to see answer by tutorcecilia(2042)

Question 52041: (7-5+6)/15
Click here to see answer by tutorcecilia(2042)

Question 52134This question is from textbook integrated mathematics
: Insert parentheses to make each statement true.
48/4+8-4+2=8This question is from textbook integrated mathematics

Click here to see answer by checkley71(8405)

Question 51952: Rewrite the expression in an equivalent form to show a simpler way to do the arithmetic.
(-150 + 270) + 30
How do you do this in regards to the distributive property when there are no multiplication operations.
Click here to see answer by funmath(2873)

Question 52450: A jar contains 40 coins consisting of dimes and quarters and having a total value of $4.90. How many of each kind of coin are there?
Click here to see answer by funmath(2873)

Question 50978: Using order of operations how do i solve
1/2(6-2)squared-4x3
Click here to see answer by Casandra(1)

Question 53782: 5A-6B-3B+10A-8=
I want to know how you come up with 2 plus signs to get the answer.
Click here to see answer by stanbon(26259)

Question 53847:
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Question 53845:
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Question 54038: pre algebra home work.
Solve the following equations. Show all work and circle your answers.
1. -X = 25 - 6x 2. 9 -6x = 3 3. -7 = 8x = -39

Could you please explane how the problems would be solved.
Click here to see answer by funmath(2873)

Question 54701: -25 divided by 6 + 4 1/5
Click here to see answer by checkley71(8405)

Question 55487: How do i find the answer to -222,222 over +6?
Click here to see answer by funmath(2873)

Question 55884: 9x^3y4/16a^4b^2 divided by 45x^4y^2/14a^7b please help simplify
Click here to see answer by Edwin McCravy(2920)

Question 55883: x^2-1/x^2+x*3x/1-x please help simplify
Click here to see answer by Edwin McCravy(2920)

Question 55885: 22-5(6v-1)=63
Click here to see answer by Edwin McCravy(2920)

Question 55937: What is 5*34.67+4567-78/45329.234
Click here to see answer by Genius(17)

Question 56229: 10+(-2)-(-5)=
Click here to see answer by funmath(2873)

Question 56465: Did I complete this correctly?
4x^4 - 3xy^3

when x = -1 and
when y = -2
I got:
4x^4 - 3xy^3
4 . 1 +(3.-8)
4 + -24
= -20
Click here to see answer by funmath(2873)

Question 56692: What are the rules for adding, subtracting, multiplying and dividing positive and negative numbers. It's been 30 years since I've had algebra and can't remember.
Thank you
Click here to see answer by funmath(2873)

Question 56793: if the difference of two numbers is 10 and their product is 18,what is the sum of their squares?
Click here to see answer by ankor@dixie-net.com(6691)

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