-21(-1/7n)=5/7

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Solution for -21(-1/7n)=5/7 equation:



-21(-1/7n)=5/7
We move all terms to the left:
-21(-1/7n)-(5/7)=0
Domain of the equation: 7n)!=0
n!=0/1
n!=0
n∈R
We add all the numbers together, and all the variables
-21(-1/7n)-(+5/7)=0
We multiply parentheses
21n-(+5/7)=0
We get rid of parentheses
21n-5/7=0
We multiply all the terms by the denominator
21n*7-5=0
Wy multiply elements
147n-5=0
We move all terms containing n to the left, all other terms to the right
147n=5
n=5/147
n=5/147

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