1/3n+2/3n=-5

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Solution for 1/3n+2/3n=-5 equation: 



1/3n+2/3n=-5

We move all terms to the left:

1/3n+2/3n-(-5)=0



Domain of the equation: 3n!=0

n!=0/3

n!=0

n∈R



We add all the numbers together, and all the variables

1/3n+2/3n+5=0

We multiply all the terms by the denominator


5*3n+1+2=0

We add all the numbers together, and all the variables

5*3n+3=0

Wy multiply elements

15n+3=0

We move all terms containing n to the left, all other terms to the right

15n=-3

n=-3/15

n=-1/5

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