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1/7(n)=-4
We move all terms to the left:
1/7(n)-(-4)=0
Domain of the equation: 7n!=0We add all the numbers together, and all the variables
n!=0/7
n!=0
n∈R
1/7n+4=0
We multiply all the terms by the denominator
4*7n+1=0
Wy multiply elements
28n+1=0
We move all terms containing n to the left, all other terms to the right
28n=-1
n=-1/28
n=-1/28
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