6/7n+21=-20

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Solution for 6/7n+21=-20 equation: 



6/7n+21=-20

We move all terms to the left:

6/7n+21-(-20)=0



Domain of the equation: 7n!=0

n!=0/7

n!=0

n∈R



We add all the numbers together, and all the variables

6/7n+41=0

We multiply all the terms by the denominator


41*7n+6=0

Wy multiply elements

287n+6=0

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

287n=-6

n=-6/287

n=-6/287

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