7/5n+281=21

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Solution for 7/5n+281=21 equation: 



7/5n+281=21

We move all terms to the left:

7/5n+281-(21)=0



Domain of the equation: 5n!=0

n!=0/5

n!=0

n∈R



We add all the numbers together, and all the variables

7/5n+260=0

We multiply all the terms by the denominator


260*5n+7=0

Wy multiply elements

1300n+7=0

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

1300n=-7

n=-7/1300

n=-7/1300

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