3/5n+7-2/5n=12

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Solution for 3/5n+7-2/5n=12 equation: 



3/5n+7-2/5n=12

We move all terms to the left:

3/5n+7-2/5n-(12)=0



Domain of the equation: 5n!=0

n!=0/5

n!=0

n∈R



We add all the numbers together, and all the variables

3/5n-2/5n-5=0

We multiply all the terms by the denominator


-5*5n+3-2=0

We add all the numbers together, and all the variables

-5*5n+1=0

Wy multiply elements

-25n+1=0

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

-25n=-1

n=-1/-25

n=1/25

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