42=-2/5n

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Solution for 42=-2/5n equation: 



42=-2/5n

We move all terms to the left:

42-(-2/5n)=0



Domain of the equation: 5n)!=0

n!=0/1

n!=0

n∈R



We get rid of parentheses

2/5n+42=0

We multiply all the terms by the denominator


42*5n+2=0

Wy multiply elements

210n+2=0

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

210n=-2

n=-2/210

n=-1/105

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