7-1/7n=7-9

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Solution for 7-1/7n=7-9 equation:



7-1/7n=7-9
We move all terms to the left:
7-1/7n-(7-9)=0
Domain of the equation: 7n!=0
n!=0/7
n!=0
n∈R
We add all the numbers together, and all the variables
-1/7n+7-(-2)=0
We add all the numbers together, and all the variables
-1/7n+9=0
We multiply all the terms by the denominator
9*7n-1=0
Wy multiply elements
63n-1=0
We move all terms containing n to the left, all other terms to the right
63n=1
n=1/63
n=1/63

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