3.9=(n-6)(.9)+(-6)(01)

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Solution for 3.9=(n-6)(.9)+(-6)(01) equation: 



3.9=(n-6)(.9)+(-6)(01)

We move all terms to the left:

3.9-((n-6)(.9)+(-6)(01))=0

We add all the numbers together, and all the variables

-((n-6)(0.9)+(-6)01)+3.9=0

We multiply parentheses ..

-((+0.9n-5.4)+(-6)01)+3.9=0



We calculate terms in parentheses: -((+0.9n-5.4)+(-6)01), so:

(+0.9n-5.4)+(-6)01

We add all the numbers together, and all the variables

(0.9n-5.4)+(-6)01

We add all the numbers together, and all the variables

(0.9n-5.4)-6

We get rid of parentheses

0.9n-5.4-6

We add all the numbers together, and all the variables

0.9n-11.4

Back to the equation:

-(0.9n-11.4)



We get rid of parentheses

-0.9n+11.4+3.9=0

We add all the numbers together, and all the variables

-0.9n+15.3=0

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

-0.9n=-15.3

n=-15.3/-0.9

n=+17

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