Ask Experts Questions for FREE Help !
Ask
    nikki2424's Avatar
    nikki2424 Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Dec 15, 2009, 01:46 PM
    how would you solve for n if 9n-10=71
    9n-10=71
    9n+10=+10
    9n=81
    9n/9=81/9
    n=9
    nikki2424's Avatar
    nikki2424 Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Dec 15, 2009, 02:01 PM

    This is correct
    mathwiz3502's Avatar
    mathwiz3502 Posts: 121, Reputation: 1
    Junior Member
    		  
    #3

    Dec 15, 2009, 03:13 PM
    It is exactly correct
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
    Uber Member
    		  
    #4

    Dec 16, 2009, 07:32 AM

    Although you got the answer, I don't suggest you put it as you put it. Because the way you put it is confusing.

    Quote Originally Posted by nikki2424
    ]9n-10=71
    9n+10=+10
    9n=81
    9n/9=81/9
    n=9
    Where does the bold part come from?

    You have to show this:

    9n - 10 +10 = 71 + 10

    and not directly add 10, because the other side is not only '10'.
    Ajama4's Avatar
    Ajama4 Posts: 2, Reputation: 1
    New Member
    		  
    #5

    Dec 20, 2009, 07:01 PM

    You are correct
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
    Uber Member
    		  
    #6

    Dec 20, 2009, 07:22 PM

    The check is:

    9(9)-10 = 71; which is true, so you got the right answer.

    I'm in agreement that it was confusing getting there.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Solve [(86400*n^2)/2^n]<1 solve n [ 3 Answers ]

Could you Please solve this problem <1 solve n

How do I solve [ 1 Answers ]

5cis120 degrees Find the 3rd root

Solve this [ 2 Answers ]

sinx + sin2x + sin3x _________________ = tan2x cosx + cos2x + cos3x and sin^3x + cos^3x = (1-sinxcosx)(sinx + cosx)

Solve the following [ 1 Answers ]

http://img132.imageshack.us/my.php?image=25zz7.jpg

Solve for z 3x(y+1)=9+z where y=4, x=2 [ 2 Answers ]

Solve for z 3x(y+1)=9+z where y=4, x=2 Can you help me solve step by step

View more questions Search