5/7n+12=3/7n+4

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Solution for 5/7n+12=3/7n+4 equation: 



5/7n+12=3/7n+4

We move all terms to the left:

5/7n+12-(3/7n+4)=0



Domain of the equation: 7n!=0

n!=0/7

n!=0

n∈R





Domain of the equation: 7n+4)!=0

n∈R



We get rid of parentheses

5/7n-3/7n-4+12=0

We multiply all the terms by the denominator


-4*7n+12*7n+5-3=0

We add all the numbers together, and all the variables

-4*7n+12*7n+2=0

Wy multiply elements

-28n+84n+2=0

We add all the numbers together, and all the variables

56n+2=0

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

56n=-2

n=-2/56

n=-1/28

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