15=4.3n-2.1=(n-4)

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Solution for 15=4.3n-2.1=(n-4) equation: 



15=4.3n-2.1=(n-4)

We move all terms to the left:

15-(4.3n-2.1)=0

We get rid of parentheses

-4.3n+2.1+15=0

We add all the numbers together, and all the variables

-4.3n+17.1=0

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

-4.3n=-17.1

n=-17.1/-4.3

n=3+1/1.02380952381

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