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What is the solution to the equation 3/5n-4/5=1/5n ? Explain please! A: n=-1 B: n=2 C: n= 5/3 D: n=5/2
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3 votes
What is the solution to the equation 3/5n-4/5=1/5n ?

Explain please!
A: n=-1
B: n=2
C: n= 5/3
D: n=5/2

User Not Amused
by
5.2k points

2 Answers

2 votes
The answer is 2.
Multiply to remove the fraction and set equal to zero and the solve. :)
User Phae Deepsky
by
6.0k points
2 votes
The answer is B

Work:

3/5n-4/5=1/5n

-Combine like terms

3/5n-4/5=1/5n
-3/5n -3/5n

-4/5=-2/5n

Divide by -2/5

-4/5=-2/5n
/ -2/5

(the 5 crosses out leaving -4/-2)

n=2 :)
User WEshruth
by
5.6k points
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