SOLUTION: Please help me solve this equation: 2=n-(2n+3). I need to find the value of n. The book has the answer in the back for reference but I keep coming up with the wrong answer. This
Algebra.Com
Question 26724: Please help me solve this equation: 2=n-(2n+3). I need to find the value of n. The book has the answer in the back for reference but I keep coming up with the wrong answer. This is the solution I got:
2=n-(2n+3)
2=n-2n+3
2=1n+3
-3=1n-3
-1/1=1n/1 n=1
Found 3 solutions by longjonsilver, scoop, shorty33353:
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
you have 2 glaring errors in your working.
solution:
2=n-(2n+3)
2=n-2n-3
2=-n-3
2+n = -3
n = -5
jon.
Answer by scoop(27) (Show Source): You can put this solution on YOUR website!
2=n-(2n+3)=
2=n-2n-3(the negative in front of parenthesis, changes all signs)
then add 3 to both sides
2+3=n-2n-3+3
5=n-2n
5=-n
divide bothe sides by the negative
n=-5
If you replace the n with a negative 5 you wll see that this works!!
Answer by shorty33353(1) (Show Source): You can put this solution on YOUR website!
2=n-(2n+3)
2=n-2n-3
2+3=n-2n
5=n-2n
5=-1n
5/-1
n=-5
RELATED QUESTIONS
Dear math teacher,
Would you please help me solve this problem?
Find n if... (answered by ccs2011)
Determine whether each function has a maximum or minimum value. Then find the maximum or... (answered by stanbon)
I would be thankful if someone kindly help me with this problem:
In an AP 3,7,11,...... (answered by Edwin McCravy)
Please help me solve this equation:
I have to find the missing expression.
The letter... (answered by ankor@dixie-net.com)
PLEASE HELP ME WITH THIS EQUATION!!
What are the excluded values of n in the expression... (answered by edjones)
Could you please help me find the answer to -2
Find the value of n for a line that... (answered by jim_thompson5910)
Dear math teacher,
I am having difficulties with the following problem:
4 times nC2 (answered by Theo)
i cant figure out these problems
27. 75 sigma n=21 (2n+5) i solved this problem using... (answered by vleith)
please help me solve this equation.....n+n/3=600 i have tried a few ways but am not... (answered by jim_thompson5910,Alan3354)